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Author : Marvin J. Fishman
Publisher :
ISBN 13 :
Total Pages : 564 pages
Book Rating : 4.3/5 (121 download)
Download or read book Methods for Determination of Inorganic Substances in Water and Fluvial Sediments written by Marvin J. Fishman and published by . This book was released on 1989 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory :. written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. R. Shelton
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (121 download)
Download or read book Field Guide for Collecting Samples for Analysis of Volatile Organic Compounds in Stream Water for the National Water-Quality Assessment Program written by L. R. Shelton and published by . This book was released on 1997 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles J Patton
Publisher : CreateSpace
ISBN 13 : 9781500223311
Total Pages : 44 pages
Book Rating : 4.2/5 (233 download)
Download or read book Colorimetric Determination of Nitrate Plus Nitrite in Water by Enzymatic Reduction, Automated Discrete Analyzer Methods written by Charles J Patton and published by CreateSpace. This book was released on 2014-06-16 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : D.R. Helsel
Publisher : Elsevier
ISBN 13 : 9780080875088
Total Pages : 546 pages
Book Rating : 4.8/5 (75 download)
Download or read book Statistical Methods in Water Resources written by D.R. Helsel and published by Elsevier. This book was released on 1993-03-03 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data on water quality and other environmental issues are being collected at an ever-increasing rate. In the past, however, the techniques used by scientists to interpret this data have not progressed as quickly. This is a book of modern statistical methods for analysis of practical problems in water quality and water resources. The last fifteen years have seen major advances in the fields of exploratory data analysis (EDA) and robust statistical methods. The 'real-life' characteristics of environmental data tend to drive analysis towards the use of these methods. These advances are presented in a practical and relevant format. Alternate methods are compared, highlighting the strengths and weaknesses of each as applied to environmental data. Techniques for trend analysis and dealing with water below the detection limit are topics covered, which are of great interest to consultants in water-quality and hydrology, scientists in state, provincial and federal water resources, and geological survey agencies. The practising water resources scientist will find the worked examples using actual field data from case studies of environmental problems, of real value. Exercises at the end of each chapter enable the mechanics of the methodological process to be fully understood, with data sets included on diskette for easy use. The result is a book that is both up-to-date and immediately relevant to ongoing work in the environmental and water sciences.
Author : David E. McCurdy
Publisher :
ISBN 13 :
Total Pages : 33 pages
Book Rating : 4.:/5 (2 download)
Download or read book Interpreting and Reporting Radiological Water-quality Data written by David E. McCurdy and published by . This book was released on 2008 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (243 download)
Download or read book Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory written by and published by . This book was released on 2002 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Berwyn E. Jones
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.3/5 (121 download)
Download or read book Quality Control Manual of the U.S. Geological Survey's National Water Quality Laboratory written by Berwyn E. Jones and published by . This book was released on 1988 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Geological Survey (U.S.)
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (318 download)
Download or read book Techniques of Water-resources Investigations of the United States Geological Survey: Laboratory analysis. ch. A1, A1 (3rd ed.), A4, A6, C1 written by Geological Survey (U.S.) and published by . This book was released on 1982 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.3/5 (91 download)
Download or read book Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory written by and published by . This book was released on 2001 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles J. Patton
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (31 download)
Download or read book Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory written by Charles J. Patton and published by . This book was released on 2003 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John R. Garbarino
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.3/5 (91 download)
Download or read book Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory written by John R. Garbarino and published by . This book was released on 2002 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. B. Bradstreet
Publisher : Elsevier
ISBN 13 : 1483258599
Total Pages : 248 pages
Book Rating : 4.4/5 (832 download)
Download or read book The Kjeldahl Method for Organic Nitrogen written by R. B. Bradstreet and published by Elsevier. This book was released on 2015-07-14 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Kjeldahl Method for Organic Nitrogen volume presents a broad and comprehensive survey of the method as applied to natural products and organic nitrogen compounds. The quantitative determination of an element as widely distributed as nitrogen is of great importance, and the truth of this is borne out by the tremendous amount of literature published throughout the years. The analysis of nitrogen can be divided into two classes: inorganic and organic. This book is concerned only with organic nitrogen compounds, and specifically their determination by the Kjeldahl method. The book opens with a chapter on the historical background and the work leading to the evolution of the method. This is followed by separate chapters that discuss each of the several divisions of the method, e.g., salt addition, reduction, oxidation, catalysts, distillation.
Author : Tedmund M. Struzeski
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (348 download)
Download or read book Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory written by Tedmund M. Struzeski and published by . This book was released on 1996 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Donna L. Rose
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (31 download)
Download or read book Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory written by Donna L. Rose and published by . This book was released on 2003 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (318 download)
Download or read book Participation in Performance-evaluation Studies by U.S. Geological Survey, National Water Quality Laboratory written by and published by . This book was released on 1998 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John R. Garbarino
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.3/5 (91 download)
Download or read book Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory written by John R. Garbarino and published by . This book was released on 2001 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
