A Nitrogen Selective Detector and the Gas Chromatography of Some Nitrogen Compounds PDF Download
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Author: A. J. Platts
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: A. J. Platts
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: D. Utley
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: M. Dressler
Publisher: Elsevier
ISBN: 0080858392
Category : Science
Languages : en
Pages : 335
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Book Description
This book gives a comprehensive, up-to-date review of all selective detectors used in combination with gas chromatography. For each detector, the historical background, design and principle are described, and the working parameters affecting the detector performance are analyzed critically and in detail. The analytical possibilities of the detectors and the main characteristics such as sensitivity, noise and minimum detectability are discussed. All the selective detectors that are currently used are discussed in detail. Combinations of GC with other techniques such as plasma emission spectroscopy, atomic absorption spectrometry, ion-selective electrodes, piezoelectric sorption detector, mass spectrometry and infrared spectroscopy are discussed briefly.Chromatographers and users of gas chromatographs, especially in the field of environmental protection, agriculture, clinical chemistry, and toxicology will find the book useful to their work. Institutes and organisations dealing with analytical chemistry will also find it of interest.
Author: Andrew W. Decora
Publisher:
ISBN:
Category : Chromatographic analysis
Languages : en
Pages : 32
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Book Description
Author: Stephen Shap Chow Tong
Publisher:
ISBN:
Category : Gas chromatography
Languages : en
Pages : 198
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Book Description
Author: Michael H. Gordon
Publisher: Springer Science & Business Media
ISBN: 1461306817
Category : Science
Languages : en
Pages : 371
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Book Description
The food analyst plays an important role in modern society. Stricter control over additives in food and concern about the effects of contamination of food by industrial and agricultural chemicals are among the developments which are leading to an increasing emphasis on detailed and accurate analysis of food. However. analysis of food is required for many reasons, including detection of toxic components, monitoring legislation, detecting adulteration, formulation of controlled diets, controlling formulation during product development and detecting changes in food during storage and processing. Foods comprise a complex mixture of components and food analysis requires efficient methods of separation with high sensitivity or specificity of detection. Although many food components are involatile or thermally labile and therefore not suitable for analysis by gas chromatography, other components are volatile and this technique is the preferred analytical method. Developments in methods of derivati zation, injector design and column technology have also extended the applicability of gas chromatography to the analysis of relatively involatile compounds.
Author: Viktor G. Berezkin
Publisher: Springer Science & Business Media
ISBN: 1468407090
Category : Science
Languages : en
Pages : 199
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Book Description
The most universal and effective method for the analysis of complex multicomponent mixtures of volatile substances is gas chromatography. However, there are a number of limitations asso ciated with the classical variation of this technique which retard its development and the further expansion of its application: 1) the identification of the components of a complex mix ture of unknown composition is in itself a complex and difficult problem, unless the homologous series of the component to be identified is known; 2) the overlapping of chromatographic peaks for several compounds makes it difficult, and in a number of cases impossible, to carry out qualitative and quantitative analysis of these components, and leads to the necessity of using several columns of different polarities or to the use of columns with very high efficiency; 3) the direct analysis of unstable and nonvolatile compounds is impossible; 4) the difficulty of quantitative chromatographic analysis using thermal conductivity detectors increases with the necessity of determining individual response (calibration) factors; the insensitivity of the flame ionization detector to a number of substances (inorganic gases) leads to the necessity of introducing additional operations (prelimi nary concentration of trace components) in connection with thermal conductivity detectors. vii viii FOREWORD The directed use of chemical conversion of the compounds analyzed usually makes it possible to remove the limitations cited above.
Author: V.G. Berezkin
Publisher: Elsevier
ISBN: 0080858279
Category : Science
Languages : en
Pages : 329
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Book Description
Chemical Methods in Gas Chromatography
Author: Alfred S. Y. Chau
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 274
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Book Description
Author: Chang Samuel Hsu
Publisher: Springer Science & Business Media
ISBN: 144199212X
Category : Science
Languages : en
Pages : 483
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Book Description
Determining the composition and properties of complex hydrocarbon mixtures in petroleum, synthetic fuels, and petrochemical products usually requires a battery of analytical techniques that detect and measure specific features of the molecules, such as boiling point, mass, nuclear magnetic resonance frequencies, etc. there have always been a need for new and improved analytical technology to better understand hydrocarbon chemistry and processes. This book provides an overview of recent advances and future challenges in modern analytical techniques that are commonly used in hydrocarbon applications. Experts in each of the areas covered have reviewed the state of the art, thus creating a book that will be useful to readers at all levels in academic, industry, and research institutions.
