Z. Marczenko – författare

Spectrophotometry enables one to determine, with good precision and sensitivity, almost all the elements present in small and trace quantities of any material. The method is particularly useful in the determination of non-metals and allows the determination elements in a large range of concentrations (from single % to low ppm levels) in various materials.In Separation, Preconcentration and Spectrophotometry in Inorganic Analysis, much attention has been paid to separation and preconcentration methods, since they play an essential role in increasing the selectivity and sensitivity of spectrophotometric methods. Separation and preconcentration methods have also been utilised in other determination techniques.Spectrophotometric methods which are widely used for the determination of the elements in a large variety of inorganic materials are presented in the book whilst separation and preconcentration procedures combined with spectrophotometry are also described. This book contains recent advances in spectrophotometry, detailed discussion of the instrumentation, and the techniques and reagents used for spectrophotometric determination of elements in a wide range of materials as well as a detailed discussion of separation and preconcentration procedures that precede the spectrophotometric detection.

Spectrophotometry enables one to determine, with good precision and sensitivity, almost all the elements present in small and trace quantities of any material. The method is particularly useful in the determination of non-metals and allows the determination elements in a large range of concentrations (from single % to low ppm levels) in various materials.

In Separation, Preconcentration and Spectrophotometry in Inorganic Analysis, much attention has been paid to separation and preconcentration methods, since they play an essential role in increasing the selectivity and sensitivity of spectrophotometric methods. Separation and preconcentration methods have also been utilised in other determination techniques.

Spectrophotometric methods which are widely used for the determination of the elements in a large variety of inorganic materials are presented in the book whilst separation and preconcentration procedures combined with spectrophotometry are also described.

This book contains recent advances in spectrophotometry, detailed discussion of the instrumentation, and the techniques and reagents used for spectrophotometric determination of elements in a wide range of materials as well as a detailed discussion of separation and preconcentration procedures that precede the spectrophotometric detection.

Analytical methods, that combine a chemical sample treatment step with a spectrometric technique, applied to the determination of metals and metalloids at trace and ultratrace levels are discussed in this book. A thorough critical survey of the literature for the period 1985-1994 gives references to source articles always readily available in peer reviewed journals.

The book comprises three parts. Part I discusses general aspects of successive steps of an analytical procedure from sampling and sample decomposition, through separation and preconcentration to spectrometric determination. Flow injection analysis, hyphenated techniques and speciation are included. Accuracy in trace analysis, sources of errors and the role of CRMs are also covered. Part II is devoted to practical aspects of sample handling and multielement trace analyses of environmental, geological, clinical, and industrial materials. Each chapter contains several tables summarizing procedures for multielement analysis of real samples and certified reference materials available for method validation. Part III contains 54 alphabetically arranged monographic reviews on spectrochemical trace analysis for individual elements. Each chapter gives basic information on analytico-chemical properties of the element which is followed by an overview of methods for its separation, preconcentration, and instrumental detection. Particular attention is given to practical issues, difficulties and quality assurance during the analysis of real samples. Each chapter contains tables summarizing the key steps of the procedures developed for the trace element determination and the detection characteristics reported.

Analytical methods, that combine a chemical sample treatment step with a spectrometric technique, applied to the determination of metals and metalloids at trace and ultratrace levels are discussed in this book. A thorough critical survey of the literature for the period 1985-1994 gives references to source articles always readily available in peer reviewed journals.

The book comprises three parts. Part I discusses general aspects of successive steps of an analytical procedure from sampling and sample decomposition, through separation and preconcentration to spectrometric determination. Flow injection analysis, hyphenated techniques and speciation are included. Accuracy in trace analysis, sources of errors and the role of CRMs are also covered. Part II is devoted to practical aspects of sample handling and multielement trace analyses of environmental, geological, clinical, and industrial materials. Each chapter contains several tables summarizing procedures for multielement analysis of real samples and certified reference materials available for method validation. Part III contains 54 alphabetically arranged monographic reviews on spectrochemical trace analysis for individual elements. Each chapter gives basic information on analytico-chemical properties of the element which is followed by an overview of methods for its separation, preconcentration, and instrumental detection. Particular attention is given to practical issues, difficulties and quality assurance during the analysis of real samples. Each chapter contains tables summarizing the key steps of the procedures developed for the trace element determination and the detection characteristics reported.

This volume dictionary brings together accurate chemical, structural and bibliographic data on the most commonly used reagents in the various branches of analytical chemistry. Covering both organic and inorganic compounds, the "e;Dictionary of Analytical Reagents"e; contains over 5,000 reagents significant in analytical chemistry, grouped into 5,000 entries. All the reagents included in the dictionary have been synthesized, characterized by or are of proven use to analytical chemists. Compiled by a distinguished board of leading figures in the world of analytical chemistry, each an expert in their own specialist field, the "e;Dictionary of Analytical Reagents"e; is a companion volume to the renowned "e;Dictionary of Organic Compounds"e; and follows a similar format. The dictionary is arranged in such a way as to facilitate browsing, with entries ordered alphabetically by entry name (often its trivial name). Clearly laid out in an easy-to-follow manner, each entry contains a wealth of data invaluable to the analytical chemist including synonyms, analytical applications, extensive and up-to-date hazard/toxicity data, solubility, dissociation constant and selected references labelled to indicate their content (e.g. analytical application, spectral data, synthesis). High quality structure diagrams are included to assist the analytical chemist in identifying the reagent needed and are drawn to standard orientations. Coverage extends to metal extractants, spectrophotometric reagents, indicators, fluorescence labelling reagents, resolving agents, nmr shift reagents and reference standards, buffers, gc and ms derivatisation reagents, amperometric reagents, titrimetric and gravimetric reagents, biological stains and dyes. Compounds are comprehensively indexed by Name, Molecular Formula, CAS Registry Number and Type of Compound. The unique Type of Compound Index is particularly valuable as compounds are indexed by use (eg NMR shift reagent), by analyte (eg nickel) and by compound group (eg formazan, crown ether), making the data accessible by a variety of criteria. Thus, chemists can use the dictionary to find information on how to analyze for a particular substance, how a particular compound may be used as an analytical reagent or what other reagents are available for a specific analytical use. Having located all appropriate reagents via the index, the user can then browse through the entries to obtain specific data, all fully referenced in the selective bibliography. Analytical chemists - be they in the manufacturing or pharmaceutical industry, working in hospital laboratories as clinical chemists or pollution analysts monitoring heavy metal residues in waste water - constantly need to make decisions about which reagent to choose for a particular application. This dictionary fulfils that need by being the most comprehensive, reliable and up-to-date compilation of reagents available. This book should be of interest to analytical chemists in academic and industrial establishments, forensic scientists, chromatographers, biochemists, standards institutions, companies selling laboratory chemicals, and water authorities.