Kemi
50 820 produkter
50 820 produkter
- Nyhet
346 kr
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Prepare to be dazzled by this contemporary guide to the art of crystalline glazing.Crystalline glazes are known for producing exciting works reminiscent of floating galaxies, frosty windows, rare gemstones and delicate flowers. Until recently, however, few potters worked with this elusive medium. Now, with new advancements in materials and digital processors, the method has become simplified and amazing results can be achieved without the problems usually associated with these glazes, such as excessive glaze run-off and unpredictable crystal growth. In this book, Diane Creber explores the history of this process, beginning with the most suitable clays, the different types of crystalline glazes, how they can be grown under controlled conditions, and how different ingredients react with each other. Through a survey of several well-known crystalline glaze potters, she reveals their secrets and shows examples of their unique work. From clay and glaze recipes to an in-depth look at firing aids and types of kilns, Exploring Crystalline Glazes has everything a potter needs to make their own glazes and create their own stunning works of art.
279 kr
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När det gäller sömn och vakenhet måste vi överväga vad de är: om de är unika för själen eller kroppen, eller gemensamma för båda … dessutom av vilken orsak uppkommer de som egenskaper hos djur … – Aristoteles, Om sömn och sömnlöshet, 350 före vår tideräkning
I det antika Grekland var sömnen och drömmarnas värld centrala i myterna och filosofin. Vår förundran över sömnen lever kvar och har genom historien lett till otaliga experiment och teorier. Människan har gått från att använda sig av vad hon hittar i naturen till att i laboratorier forska fram det perfekta pillret för att antingen söva oss eller hålla oss vakna. Vad sägs om dårrepe eller vallmo till kvällen och en kopp kaffe eller kokablad för att piggna till? Gemensamt för alla dessa substanster är att de har påverkat vårt kemiska förhållande till natten.
I Nattens gudar leder Ulf Ellervik oss genom kulturhistorien och vetenskapen för att finna svar på sömnens och vakenhetens gåtor.
Practical Aspects of Cosmetic Testing
How to Set up a Scientific Study in Skin Physiology
Inbunden, Engelska, 2020
1 636 kr
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Skin physiology assessment is moving from a descriptive approach to a deeper understanding of biophysical and biochemical processes in the stratum corneum, such as epidermal barrier function and stratum corneum hydration. New, non-invasive approaches offer reliable and reproducible methods for product testing in the pharmaceutical and cosmetic industry, as well as in basic research. While standard instruments focus on functional aspects, innovative devices offer a deeper understanding of underlying mechanisms.This book discusses the assessment of skin physiology and of skin functions in clinical studies using non-invasive biophysical instruments, offering readers a comprehensive guide to planning, performing and evaluating the results of scientific studies in skin measurement and the legal framework for these studies. Written by leading experts in the field, it focuses on practical aspects of non-invasive measurements. After introducing the legal aspects of the current framework for clinical cosmetic studies and basic research in cosmetology, it explores the technical practicalities of organizing a testing lab and the pre-requirements for planning a study. The third and main section addresses specific topics in cosmetic testing e.g. skin hydration, and also includes chapters on sensory aspects and in vivo skin structure vizualization. This new, updated edition of Practical Aspects of Cosmetic Testing is a valuable tool for researchers, students, and medical staff wanting to gain insights into how best to assess skin functions in controlled studies using non-invasive biophysical instruments.
791 kr
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Livsmedelsvetenskap är ett tvärvetenskapligt ämne som belyser mat ur olika vetenskapliga perspektiv. Det omfattar livsmedelskedjan, från råvarans ursprung och kemiska sammansättning till förädling, tillagning och konsumtion. Vårt livsmedelssystem står inför en nödvändig omställning. För att möta framtidens utmaningar måste vi främja hälsa, klimat och miljö. Dessutom måste systemet kunna försörja befolkningen med tillräcklig mat och näring även under kriser.Livsmedelsvetenskap ger svar på aktuella frågor som rör hela kedjan från odling och uppfödning till den ätfärdiga maträtten med målet att sträva mot en hälsosammare och mer hållbar livsmedelsproduktion och konsumtion. I denna utgåva har de uppdaterade Nordiska näringsrekommendationerna och ett kapitel om växtbaserade livsmedel inkluderats.Denna bok inleds med övergripande kapitel om livsmedelskvalitet, konserveringsmetoder och matlagningstekniker. Därefter följer kapitel om respektive livsmedelsgrupp från råvarans ursprung, via kemisk sammansättning, till vad som händer under tillagning. Närings-, hälso- och miljöaspekter behandlas på respektive råvara.Genomgående innehåller kapitlen fakta om:• råvarans ursprung, uppbyggnad och sammansättning• kvalitetskriterier• industriell tillverkning• förvaring, beredning och tillagningsmetoder• miljö och hälsa.Boken vänder sig i första hand till studenter på högskola/universitetet samt även andra matintresserade personer. Boken är tänkt att användas på utbildningar inom livsmedelsvetenskap för dietister, gastronomer, kostekonomer, kostvetare, lärare i hem- och konsumentkunskap, livsmedelsagronomer och nutritionister.
426 kr
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Vilka sjukdomstillstånd ger förhöjda respektive sänkta mätvärden för de vanligaste kliniskt kemiska analyserna? Svaret får du i den här boken, tillsammans med många praktiska tips och kommentarer om analystolkning. Klinisk kemi. Kortfattad analystolkning presenterar klinisk kemi på ett lättillgängligt sätt. I bokens inledande del finns avsnitt om rationell provbeställning, om laboratorieprocessen med felkällor och interferenser samt resultattolkning. Därefter presenteras de vanligaste analyserna inom klinisk kemi ordnade från A till Ö, med en analys eller analysgrupp per sida.I denna andra upplaga har innehållet reviderats för att spegla den utveckling som ständigt sker inom klinisk kemi med utbytta analysinstrument, ändrade metoder och referensintervall, uppdaterade medicinska riktlinjer och nya rön i den vetenskapliga litteraturen. Boken har också utökats med fem nya analyssidor samt två nya delar: en om kliniskt kemiska analyser vid sport och träning och en om analyser i algoritmer för medicinska bedömningsstöd.Klinisk kemi. Kortfattad analystolkning är en praktisk bok att ha till hands för dig som är student på läkarprogrammet eller under vidareutbildning. Även färdiga specialister och andra yrkeskategorier, t.ex. biomedicinska analytiker och sjuksköterskor, har nytta av boken för snabb konsultation i det kliniska rutinarbetet.
396 kr
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Den här boken vänder sig till dig som behöver repetera din gymnasiekemi, men kan också tjäna som kort introduktion till olika delar av kemin innan du ger dig i kast med högre studier.Repetitionskurs i kemi spänner över hela gymnasiekemin, från kemins grunder och atomteori till modern biokemi och analytisk kemi.Ingen särskild uppdelning på Kemi A eller Kemi B har gjorts, vilket innebär att du får en helhetsbild över hela kemiämnet.Författaren skriver enkelt och sakligt om det som ofta betraktas som kemins svårare delar, till exempel jämviktskemi och elektrokemi.För att du snabbt ska kunna avgöra precis vad det är du behöver repetera, inleds varje kapitel med ett diagnostiskt test. Därefter följer själva kemin, med exempel på problemställningar. Insprängt i varje kapitel finns mängder med instuderingsfrågor som hjälper dig att befästa kunskapen.
1 090 kr
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Connects fundamental knowledge of multivalent interactions with current practice and state-of-the-art applications Multivalency is a widespread phenomenon, with applications spanning supramolecular chemistry, materials chemistry, pharmaceutical chemistry and biochemistry. This advanced textbook provides students and junior scientists with an excellent introduction to the fundamentals of multivalent interactions, whilst expanding the knowledge of experienced researchers in the field.Multivalency: Concepts, Research & Applications is divided into three parts. Part one provides background knowledge on various aspects of multivalency and cooperativity and presents practical methods for their study. Fundamental aspects such as thermodynamics, kinetics and the principle of effective molarity are described, and characterisation methods, experimental methodologies and data treatment methods are also discussed. Parts two and three provide an overview of current systems in which multivalency plays an important role in chemistry and biology, with a focus on the design rules, underlying chemistry and the fundamental principles of multivalency. The systems covered range from chemical/materials-based ones such as dendrimers and sensors, to biological systems including cell recognition and protein binding. Examples and case studies from biochemistry/bioorganic chemistry as well as synthetic systems feature throughout the book. Introduces students and young scientists to the field of multivalent interactions and assists experienced researchers utilising the methodologies in their workFeatures examples and case studies from biochemistry/bioorganic chemistry, as well as synthetic systems throughout the bookEdited by leading experts in the field with contributions from established scientistsMultivalency: Concepts, Research & Applications is recommended for graduate students and junior scientists in supramolecular chemistry and related fields, looking for an introduction to multivalent interactions. It is also highly useful to experienced academics and scientists in industry working on research relating to multivalent and cooperative systems in supramolecular chemistry, organic chemistry, pharmaceutical chemistry, chemical biology, biochemistry, materials science and nanotechnology.
895 kr
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The exceptional quality of previous editions has been built upon to make the twelfth edition of Atkins' Physical Chemistry even more closely suited to the needs of both lecturers and students. The writing style has been refreshed in collaboration with current students of physical chemistry in order to retain the clarity for which the book is recognised while mirroring the way you read and engage with information.The new edition is now available as an enhanced e-book, which offers you a richer, more dynamic learning experience. It does this by incorporating digital enhancements that are carefully curated and thoughtfully inserted at meaningful points to enhance the learning experience. In addition, it offers formative auto-graded assessment materials to provide you with regular opportunities to test their understanding.Digital enhancements introduced for the new edition include dynamic graphs, which you can interact with to explore how the manipulation of variables affects the results of the graphs; self-check questions at the end of every Topic; video content from physical chemists; and video tutorials to accompany each Focus, which dig deeper into the key equations introduced. There is also a new foundational prologue entitled 'Energy: A First Look', which summarizes key concepts that are best kept in mind right from the beginning of your physical chemistry studies.The coupling of the broad coverage of the subject with a structure and use of pedagogy that is even more innovative will ensure Atkins' Physical Chemistry remains the textbook of choice for studying physical chemistry.
- Nyhet
339 kr
Skickas inom 3-6 vardagar
Megaliter & andra stenar är en publikation om sten. Vad sten är, vad sten gör, vad sten gör med oss och vi med den, på vilka sätt vi är sammanbundna och ändå obevekligt separerade. Dessa och en lång rad andra steniga frågor närmar sig Megaliter & andra stenar genom en mängd historiska och mer samtida bilder och texter: poetiska, filosofiska, teoretiska, dokumenterande, spekulativa, historiserande – eller en kombination av eller rörelse mellan flera av dessa praktiker. Vi dröjer både vid megalitstrukturer i form av stenrader, stencirklar och gånggrifter, som vid enskilda stenar: allt från ”London Stone” och ”Stone of Scone” till diabaspelaren ”Ramle” på Nordbillingen; den mytomspunna inskriberade ”Stenen i Grönan dal” i Jämtland; stenformationen ”Áhkánjárstábba” vid Kvalsundet; den skålgropsbemängda ”Ballersten” i Falköpings stadspark; Stockholms enda naturminne i form av en sten: ”Biskopsmössan” i Huddinge… Megaliter & andra stenar närmar sig sten genom forskning och folklore: genom teoretiska texter av Manuel De Landa, Ingrid Hoelz & Rémi Marie, Thomas E. Balke, Sascha A. Schultz; genom utdrag ur Johan Götlinds Saga, sägen och folkliv i Västergötland från 1926, lika väl som ur Nils Henrik Sjöborgs Samlingar för Nordens Fornälskare, Innehållande Inskrifter, Figurer, Ruiner, Verktyg, Högar och Stensättningar i Sverige och Norrige från 1820-talet och Johan Göranssons Bautil, Det är: Alle Svea ok Götha Rikens BAUTASTENAR från 1750. Grundstenarna i publikationen är dock de tre block om megalitkultur i Carnac i Frankrike, Avebury i England och på Ekornavallen och Falbygden i Sverige, som Magnusson & Grönberg har arbetat fram över lång tid, och som bygger på skilda och samtidigt överlagrade fältarbeten i topografier och arkiv, i text och bild. I publikationen ryms både en stor mängd historiska bilder från 1700-talet och framåt och fotografiska serier från de senaste åren.
1 093 kr
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Comprehensively teaches all of the fundamentals of fragrance chemistry Ernest Beaux, the perfumer who created Chanel No. 5, said, "One has to rely on chemists to find new aroma chemicals creating new, original notes. In perfumery, the future lies primarily in the hands of chemists." This book provides chemists and chemists-to-be with everything they need to know in order to create welcome new fragrances for the world to enjoy. It offers a simplified introduction into organic chemistry, including separation techniques and analytical methodologies; discusses the structure of perfume creation with respect to the many reactive ingredients in consumer products; and shows how to formulate effective and long-lasting scents. Fundamentals of Fragrance Chemistry starts by covering the structure of matter in order to show how its building blocks are held together. It continues with chapters that look at hydrocarbons and heteroatoms. A description of the three states of matter and how each can be converted into another is offered next, followed by coverage of separation and purification of materials. Other chapters examine acid/base reactions; oxidation and reduction reactions; perfume structure; the mechanism of olfaction; natural and synthetic fragrance ingredients; and much more. -Concentrates on aspects of organic chemistry, which are of particular importance to the fragrance industry -Offers non-chemists a simplified yet complete introduction to organic chemistry?from separation techniques and analytical methodologies to the structure of perfume creation -Provides innovative perfumers with a framework to formulate stable fragrances from the myriad of active ingredients available -Looks at future trends in the industry and addresses concerns about sustainability and quality management Fundamentals of Fragrance Chemistry is an ideal resource for students who are new to the subject, as well as for chemists and perfumers already working in this fragrant field of science.
225 kr
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427 kr
Wine Grapes
A Complete Guide to 1,368 Vine Varieties, Including Their Origins and Flavours
Inbunden, Engelska, 2012
1 724 kr
Skickas inom 3-6 vardagar
886 kr
Skickas inom 7-10 vardagar
For courses intwo-semester general chemistry.
Accurate,data-driven authorship with expanded interactivity leads to greater studentengagement
Unrivaled problem sets, notablescientific accuracy and currency, and remarkable clarity have made Chemistry:The Central Science the leading general chemistry text for more than adecade. Trusted, innovative, and calibrated, the text increases conceptualunderstanding and leads to greater student success in general chemistry bybuilding on the expertise of the dynamic author team of leading researchers andaward-winning teachers.
MasteringTM Chemistryis not included. Students, if Mastering is arecommended/mandatory component of the course, please ask your instructor forthe correct ISBN and course ID. Mastering should only be purchased whenrequired by an instructor. Instructors, contact your Pearson rep for moreinformation.
Mastering is an online homework,tutorial, and assessment product designed to personalize learning and improveresults. With a wide range of interactive, engaging, and assignable activities,students are encouraged to actively learn and retain tough course concepts.
943 kr
Skickas inom 5-8 vardagar
Leading you from the fundamental principles of inorganic chemistry right through to cutting-edge research at the forefront of the subject, Inorganic Chemistry is the ideal course companion for the duration of your degree. BL Written by an experienced and research-active author team, the unique four-part structure of this text provides comprehensive and contemporary coverage of inorganic chemistry from fundamental theory through to cutting-edge interdisciplinary research and current applications, making this text the ideal companion for the duration of a degree. BL Additional qualitative explanation to help students get to grips with the more mathematical treatments. BL An extensive range of learning features is provided to support students, including 'context boxes’, ‘notes on good practice’, ‘key points’ and ‘brief illustrations’. BL Numerous worked examples, self-test questions, exercises, and the more stretching tutorial problems encourage students to develop vital problem-solving skills. BL The 8th edition is available for students and institutions to purchase in a variety of formats: the e-book and Science Trove offer a mobile experience and convenient access along with embedded three-dimensional visualisations of many of the structures that appear throughout the book, video overviews, and a suite of multiple-choice questions functionality tools, navigation features and links that offer extra learning support. For more information about e-books, please visit www.oxfordtextbooks.co.uk/ebooks.
904 kr
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Scientists are increasingly finding themselves engaged in research problems that cross the traditional disciplinary lines of physics, chemistry, biology, materials science, and engineering. Because of its broad scope, statistical mechanics is an essential tool for students and more experienced researchers planning to become active in such an interdisciplinary research environment. Powerful computational methods that are based in statistical mechanics allow complex systems to be studied at an unprecedented level of detail. This book synthesizes the underlying theory of statistical mechanics with the computational techniques and algorithms used to solve real-world problems and provides readers with a solid foundation in topics that reflect the modern landscape of statistical mechanics. Topics covered include detailed reviews of classical and quantum mechanics, in-depth discussions of the equilibrium ensembles and the use of molecular dynamics and Monte Carlo to sample classical and quantum ensemble distributions, Feynman path integrals, classical and quantum linear-response theory, nonequilibrium molecular dynamics, the Langevin and generalized Langevin equations, critical phenomena, techniques for free energy calculations, machine learning models, and the use of these models in statistical mechanics applications. The book is structured such that the theoretical underpinnings of each topic are covered side by side with computational methods used for practical implementation of the theoretical concepts.
672 kr
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The latest edition of this highly acclaimed title introduces the reader to a wide range of spectroscopies, and includes both the background theory and applications to structure determination and chemical analysis. It covers rotational, vibrational, electronic, photoelectron and Auger spectroscopy, as well as EXAFs and the theory of lasers and laser spectroscopy.* A revised and updated edition of a successful, clearly written book* Includes the latest developments in modern laser techniques, such as cavity ring-down spectroscopy and femtosecond lasers* Provides numerous worked examples, calculations and questions at the end of chapters
319 kr
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Phenethylamines I Have Known And Loved A unique document written by renowned psychopharmo -gist Shulgin and his partner which gives details of his research and investigations into the use of psychedelic drugs for the study of the human mind. Also describes in detail a wealth of phenet- hlyamines, their physical properties, dosages used and duration of effects observed, and commentary.
364 kr
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Kepler's essay, On the Six-Cornered Snowflake, provides the first published evidence of the ideas of regular arrangements and close-packing which have proved fundamental to crystallography. In it, Kepler ponders on the problem of why snowflakes are hexagonal, two centuries before the first successful steps were taken towards its solution. The purpose of this volume is to display the historical, literary, scientific, and philosophical treasures of Kepler's essay. The book includes the modernized text of the 1611 Latin edition, with an English translation by Colin Hardie on the opposite pages. The text is accompanied by an introduction giving details of the history of the work, and two essays; Professor B. J. Mason's discussion of the scientific meaning and validity of Kepler's arguments and their relation to the history of crystallography and of space filling, and L. L. Whyte's examination of Kepler's facultas formatrix in relation to the history of philosophical and scientific ideas on the genesis of forms.
1 479 kr
The pathways and networks underlying biological functionNow in its second edition, Biochemical Pathways continues to garner praise from students, instructors, and researchers for its clear, full-color illustrations of the pathways and networks that determine biological function.Biochemical Pathways examines the biochemistry of bacteria, plants, and animals. It offers a quick overview of the metabolic sequences in biochemical pathways, the chemistry and enzymology of conversions, the regulation of turnover, the expression of genes, the immunological interactions, and the metabolic background of health disorders. A standard set of conventions is used in all illustrations, enabling readers to easily gather information and compare the key elements of different biochemical pathways. For both quick and in-depth understanding, the book uses a combination of: Illustrations integrating many different features of the reactions and their interrelationshipsTables listing the important system components and their functionText supplementing and expanding on the illustrated factsIn the second edition, the volume has been expanded by 50 percent. Text and figures have undergone a thorough revision and update, reflecting the tremendous progress in biochemical knowledge in recent years. A guide to the relevant biochemical databases facilitates access to the extensive documentation of scientific knowledge.Biochemical Pathways, Second Edition is recommended for all students and researchers in such fields as biochemistry, molecular biology, medicine, organic chemistry, and pharmacology. The book's illustrated pathways aids the reader in understanding the complex set of biochemical reactions that occur in biological systems. From the reviews: “… highly recommended for every scientist and student working in biochemistry.” –Umwelt & Gesundheit 4/2012 (review in German language)
639 kr
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These popular molecular modelling sets can be used to make many different molecules. Designed for teachers, this set contains 111 colour-coded atoms and 140 links. The medium links can be used for single bonds, while the longer, flexible links can be used for double or triple bonds. Short links can be used to create compact models.Using molecular models can help students to visualise concepts such as isomerism through hands-on learning. The models can also be used to learn about balancing equations and molecular geometry.Molymod is a registered trade mark of the EU ( and other places) and is owned by Spiring Enterprises Limited who are the inventors and exclusive manufactureres of the molymod system. Made In England.NOT AVAILABLE IN NORTH AMERICA AND CANADA
965 kr
Skickas inom 10-15 vardagar
Reaction Rate Theory and Rare Events bridges the historical gap between these subjects because the increasingly multidisciplinary nature of scientific research often requires an understanding of both reaction rate theory and the theory of other rare events. The book discusses collision theory, transition state theory, RRKM theory, catalysis, diffusion limited kinetics, mean first passage times, Kramers theory, Grote-Hynes theory, transition path theory, non-adiabatic reactions, electron transfer, and topics from reaction network analysis. It is an essential reference for students, professors and scientists who use reaction rate theory or the theory of rare events.
In addition, the book discusses transition state search algorithms, tunneling corrections, transmission coefficients, microkinetic models, kinetic Monte Carlo, transition path sampling, and importance sampling methods. The unified treatment in this book explains why chemical reactions and other rare events, while having many common theoretical foundations, often require very different computational modeling strategies.
Offers an integrated approach to all simulation theories and reaction network analysis, a unique approach not found elsewhere Gives algorithms in pseudocode for using molecular simulation and computational chemistry methods in studies of rare events Uses graphics and explicit examples to explain concepts Includes problem sets developed and tested in a course range from pen-and-paper theoretical problems, to computational exercises
850 kr
This text is a companion volume to Transmission Electron Microscopy: A Textbook for Materials Science by Williams and Carter. The aim is to extend the discussion of certain topics that are either rapidly changing at this time or that would benefit from more detailed discussion than space allowed in the primary text. World-renowned researchers have contributed chapters in their area of expertise, and the editors have carefully prepared these chapters to provide a uniform tone and treatment for this exciting material. The book features an unparalleled collection of color figures showcasing the quality and variety of chemical data that can be obtained from today’s instruments, as well as key pitfalls to avoid. As with the previous TEM text, each chapter contains two sets of questions, one for self assessment and a second more suitable for homework assignments. Throughout the book, the style follows that of Williams & Carter even when the subject matter becomes challenging—the aim is always to make the topic understandable by first-year graduate students and others who are working in the field of Materials ScienceTopics covered include sources, in-situ experiments, electron diffraction, Digital Micrograph, waves and holography, focal-series reconstruction and direct methods, STEM and tomography, energy-filtered TEM (EFTEM) imaging, and spectrum imaging. The range and depth of material makes this companion volume essential reading for the budding microscopist and a key reference for practicing researchers using these and related techniques.
769 kr
The definitive guide to the principles and practice of experimental organic chemistry — fully updated and now featuring more than 100 experimentsThe latest edition of this popular guide to experimental organic chemistry takes students from their first day in the laboratory right through to complex research procedures. All sections have been updated to reflect new techniques, equipment and technologies, and the text has been revised with an even sharper focus on practical skills and procedures.The first half of the book is devoted to safe laboratory practice as well as purification and analytical techniques; particularly spectroscopic analysis. The second half contains step-by-step experimental procedures, each one illustrating a basic principle, or important reaction type. Tried and tested over almost three decades, over 100 validated experiments are graded according to their complexity and all are chosen to highlight important chemical transformations and to teach key experimental skills.New sections cover updated health and safety guidelines, additional spectroscopic techniques, electronic notebooks and record keeping, and techniques, such as semi-automated chromatography and enabling technologies such as the use of microwave and flow chemistry. New experiments include transition metal-catalysed cross-coupling, organocatalysis, asymmetric synthesis, flow chemistry, and microwave-assisted synthesis. Key aspects of this third edition include: Detailed descriptions of the correct use of common apparatus used in the organic laboratoryOutlines of practical skills that all chemistry students must learnHighlights of aspects of health and safety in the laboratory, both in the first section and throughout the experimental proceduresFour new sections reflecting advances in techniques and technologies, from electronic databases and information retrieval to semi-automated chromatographyMore than 100 validated experiments of graded complexity from introductory to research levelA user-friendly experiment directoryAn instructor manual and PowerPoint slides of the figures in the book available on a companion websiteA comprehensive guide to contemporary organic chemistry laboratory principles, procedures, protocols, tools and techniques, Experimental Organic Chemistry, Third Edition is both an essential laboratory textbook for students of chemistry at all levels, and a handy bench reference for experienced chemists.
852 kr
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Modern DFT simulations of solids and molecules are typically based on the mighty plane-wave pseudopotential combination. Despite being numerically efficient, it does not allow for chemical conclusions unless the electronic structure is unitarily transformed into atomic orbitals. This primer for chemists and as well for physicists and engineers shows how to simply extract the chemistry and, hence, truly understand a plethora of real-world materials The goal of this humorous primer entertaining to read is to truly serve but not repel the reader. Recent in-person and also virtual summer schools in Europe and Asia have demonstrated the need for such a primer, also to be used for self-training
208 kr
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In The Secrets of Alchemy, Lawrence M. Principe, one of the world's leading authorities on the subject, brings alchemy out of the shadows and restores it to its important place in human history and culture. By surveying what alchemy was and how it began, developed, and overlapped with a range of ideas and pursuits, Principe illuminates the practice. He vividly depicts the place of alchemy during its heyday in early modern Europe, and then explores how alchemy has fit into wider views of the cosmos and humanity, touching on its enduring place in literature, fine art, theater, and religion as well as its recent acceptance as a serious subject of study for historians of science. In addition, he introduces the reader to some of the most fascinating alchemists, such as Zosimos and Basil Valentine, whose lives dot alchemy's long reign from the third century down to the present day.Through his exploration of alchemists and their times, Principe pieces together closely guarded clues from obscure and fragmented texts to reveal alchemy's secrets, and - most exciting for budding alchemists - uses them to recreate many of the most famous recipes in his lab, including those for the "glass of antimony" and "philosophers' tree." This unique approach brings the reader closer to the actual work of alchemy than any other book.
345 kr
Skickas inom 7-10 vardagar
This kit enables users to build virtually all simple molecules encountered in organic chemistry.
Includes space-filling models that simulate the true shape of saturated compounds Provides open models that form realistic single, double, and triple bonds – even strained rings Allows smooth rotation of the bonds to make conformational analysis easy Includes a Instruction Book – with photos, diagrams, and concise discussions of chemical principlesThe set includes:
28 Hydrogen (white)
14 Carbon (black)
8 Oxygen (red)
4 Nitrogen (blue)
8 Chlorine (green)
2 Bromine (orange)
2 Iodine (purple)
40 Single Bond, Space-filling Models (white)
40 Single Bond, Open Models (short grey)
12 Double and Triple Bonds, Open Models (long grey)
262 kr
Skickas inom 3-6 vardagar
337 kr
Skickas inom 3-6 vardagar
One hundred years ago, Marie Curie discovered radioactivity, for which she won the Nobel Prize in physics. In 1911 she won an unprecedented second Nobel Prize, this time in chemistry, for isolating new radioactive elements. Despite these achievements, or perhaps because of her fame, she has remained a saintly, unapproachable genius. From family documents and a private journal only recently made available, Susan Quinn at last tells the full human story. From the stubborn sixteen-year-old studying science at night while working as a governess, to her romance and scientific partnership with Pierre Curie,an extraordinary marriage of equals,we feel her defeats as well as her successes: her rejection by the French Academy, her unbearable grief at Pierre's untimely and gruesome death, and her retreat into a love affair with a married fellow scientist, causing a scandal which almost cost her the second Nobel Prize. In Susan Quinn's fully dimensional portrait, we come at last to know this complicated, passionate, brilliant woman.
274 kr
Skickas inom 5-8 vardagar
Graduate-level text explains modern in-depth approaches to the calculation of the electronic structure and properties of molecules. Hartree-Fock approximation, electron pair approximation, much more. Largely self-contained, only prerequisite is solid course in physical chemistry. Over 150 exercises. 1989 edition.