A Handbook of Colorimetric Chemical Analytical Methods PDF Download
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Author: Tintometer limited, Salisbury, Eng
Publisher:
ISBN:
Category : Colorimetric analysis
Languages : en
Pages : 424
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Book Description
Author: Tintometer limited, Salisbury, Eng
Publisher:
ISBN:
Category : Colorimetric analysis
Languages : en
Pages : 424
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Book Description
Author:
Publisher:
ISBN:
Category : Hazardous substances
Languages : en
Pages : 340
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Book Description
Author: John V. Crable
Publisher:
ISBN:
Category : Chemistry, Analytic
Languages : en
Pages : 820
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Book Description
Author: Louis Klein
Publisher: Elsevier
ISBN: 1483162591
Category : Science
Languages : en
Pages : 217
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Book Description
River Pollution 1: Chemical Analysis discusses methods of detecting and determining the various forms of pollution and the interpretation of results. It aims to provide a chemical background for, and supplement to, the information on analytical methods, and to review critically other methods which may be useful in certain circumstances for research, control work, and field tests. The book begins with a description of river surveys, and physical and chemical methods for determining river pollution. Separate chapters cover methods to determine the presence of dissolved oxygen, combined nitrogen, sulfur compounds, carbon dioxide, free chlorine, metallic contaminants, and carbon compounds. Subsequent chapters discuss the estimation of less important substances which may sometimes be encountered in pollution problems; and the significance of chemical and physical tests and the interpretation of the results of an analysis. This book is intended for those interested in chemical analysis as applied to river pollution problems, sewage, and trade wastes.
Author:
Publisher:
ISBN:
Category : Analytical chemistry
Languages : en
Pages : 204
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Book Description
Author: Charles J Patton
Publisher: CreateSpace
ISBN: 9781500223311
Category : Technology & Engineering
Languages : en
Pages : 44
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Book Description
This report documents work at the U.S. Geological Sur- vey (USGS) National Water Quality Laboratory (NWQL) to validate enzymatic reduction, colorimetric determinative meth- ods for nitrate + nitrite in filtered water by automated discrete analysis. In these standard- and low-level methods (USGS I-2547-11 and I-2548-11), nitrate is reduced to nitrite with nontoxic, soluble nitrate reductase rather than toxic, granular, copperized cadmium used in the longstanding USGS auto- mated continuous-flow analyzer methods I-2545-90 (NWQL laboratory code 1975) and I-2546-91 (NWQL laboratory code 1979). Colorimetric reagents used to determine resulting nitrite in aforementioned enzymatic- and cadmium-reduction meth- ods are identical. The enzyme used in these discrete analyzer methods, designated AtNaR2 by its manufacturer, is produced by recombinant expression of the nitrate reductase gene from wall cress (Arabidopsis thaliana) in the yeast Pichia pastoris. Unlike other commercially available nitrate reductases we evaluated, AtNaR2 maintains high activity at 37°C and is not inhibited by high-phenolic-content humic acids at reaction temperatures in the range of 20°C to 37°C. These previously unrecognized AtNaR2 characteristics are essential for success- ful performance of discrete analyzer nitrate + nitrite assays (henceforth, DA-AtNaR2) described here.
Author: United States. Environmental Protection Agency. Library Systems Branch
Publisher:
ISBN:
Category : Environmental protection
Languages : en
Pages : 702
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Book Description
Author: P. Alexander
Publisher: Elsevier
ISBN: 1483185648
Category : Science
Languages : en
Pages : 256
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Book Description
A Laboratory Manual of Analytical Methods of Protein Chemistry, Volume 4 provides information pertinent to the fundamental aspects of protein chemistry. This book discusses the simple and accurate methods of estimating specific proteins. Organized into six chapters, this volume begins with an overview of the composition of acids and experimental conditions for the acid hydrolysis of proteins. This text then examines the advantages of high-voltage electrophoresis for amino acid analysis, which are paralleled by equal advantages in the peptide separation field. Other chapters consider the simple technique of estimating specific proteins, which is one of several based on the phenomenon of antigen-antibody precipitation in gels. This book discusses as well the summations of analyses in weight percentages of the various residues and of the nitrogen of each constituent. The final chapter deals with the electrical properties of molecules. This book is a valuable resource for physicists and research workers.
Author:
Publisher:
ISBN:
Category : Hazardous substances
Languages : en
Pages : 548
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Book Description
Author: Ronald E. Wrolstad
Publisher: John Wiley & Sons
ISBN: 0471709093
Category : Science
Languages : en
Pages : 1397
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Book Description
Emphasizing effective, state-of-the art methodology and written by recognized experts in the field, the Handbook of Food Analytical Chemistry is an indispensable reference for food scientists and technologists to enable successful analysis. * Provides detailed reports on experimental procedures * Includes sections on background theory and troubleshooting * Emphasizes effective, state-of-the art methodology, written by recognized experts in the field * Includes detailed instructions with annotated advisory comments, key references with annotation, time considerations and anticipated results
