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Author : J. L. Kish
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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (122 download)
Download or read book Methods of Analysis by the U.S. Geological Survey Organic Geochemistry Research Group :. written by J. L. Kish and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Elisabeth A. Scribner
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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (589 download)
Download or read book Methods of analysis by the U.S. Geological Survey Organic Geochemistry Research Group written by Elisabeth A. Scribner and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (2 download)
Download or read book Methods of Analysis by the U.S. Geological Survey Organic Geochemistry Research Group written by and published by . This book was released on 2000 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. R. Zimmerman
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ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.F/5 ( download)
Download or read book Method of Analysis and Quality-assurance Practices by U.S. Geological Survey Organic Geochemistry Research Group written by L. R. Zimmerman and published by . This book was released on 2002 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (2 download)
Download or read book Determination of Selected Herbicides and Their Degradation Products in Water Using Solid Phase Extraction and Gas Chromatography/mass Spectrometry written by and published by . This book was released on 2000 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. L. Kish
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (2 download)
Download or read book Methods of Analysis by the U.S. Geological Survey Organic Geochemistry Research Group written by J. L. Kish and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (2 download)
Download or read book Methods of Analysis by the U.S. Geological Survey Organic Geochemistry Research Group written by and published by . This book was released on 2001 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. R. Zimmerman
Publisher :
ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (414 download)
Download or read book Method of Analysis by the U.S. Geological Survey Organic Geochemistry Research Group written by L. R. Zimmerman and published by . This book was released on 1999 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael T. Meyer
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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (19 download)
Download or read book Methods of Analysis by the U.S. Geological Survey Organic Geochemistry Research Group written by Michael T. Meyer and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. R. Zimmerman
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (447 download)
Download or read book Methods of Analysis by the U.S. Geological Survey Organic Geochemistry Research Group written by L. R. Zimmerman and published by . This book was released on 2000 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edward Alan Lee
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ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (524 download)
Download or read book Methods of Analysis by the U.S. Geological Survey Organic Geochemistry Research Group written by Edward Alan Lee and published by . This book was released on 2003 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (742 download)
Download or read book Methods of Analysis by the U.S. Geological Survey Organic Geochemistry Research Group - Determination of Glyphosate, Aminomethylphosphonic Acid, and Glufosinate in Water Using Online Solid-Phase Extraction and High-Performance Liquid Chromatography/Mass Spectrometry written by and published by . This book was released on 2002 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analytical method for the determination of glyphosate, its principal degradation compound, aminomethylphosphonic acid (AMPA), and glufosinate in water with varying matrices has been developed. Four different sample matrices forti ed at 0.2 and 2.0 g/L (micrograms per liter) were analyzed using precolumn derivatization with 9- uorenylmethylchloroformate (FMOC). After derivatization, cleanup and concentration were accomplished using automated online solidphase extraction followed by elution with the mobile phase allowing for direct injection into a liquid chromatograph/mass spectrometer (LC/MS). Analytical conditions for MS detection were optimized, and quantitation was carried out using the following representative ions: 390 and 168 for glyphosate; 332, 110, and 136 for AMPA; and 402, 180, and 206 for glufosinate.
Author : Philip A. Baedecker
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ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.3/5 (91 download)
Download or read book Methods for Geochemical Analysis written by Philip A. Baedecker and published by . This book was released on 1987 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analytical methods used in the Geologic Division laboratories of the U.S. Geological Survey for the inorganic chemical analysis of rock and mineral samples.
Author : Edward Alan Lee
Publisher :
ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (518 download)
Download or read book Methods of Analysis by the U.S. Geological Survey Organic Geochemistry Research Group written by Edward Alan Lee and published by . This book was released on 2002 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. R. Zimmerman
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (484 download)
Download or read book Method of Analysis and Quality-assurance Practices by the U.S. Geological Survey Organic Geochemistry Research Group written by L. R. Zimmerman and published by . This book was released on 2001 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method of analysis and quality-assurance practices were developed for the determination of four mosquito insecticides (malathion, methoprene, phenothrin, and resmethrin) and one synergist (piperonyl butoxide) in water. The analytical method uses liquid-liquid extraction (LLE) and gas chromatography/mass spectrometry (GC/MS). Good precision and accuracy were demonstrated in reagent water, urban surface water, and ground water. The mean accuracies as percentages of the true compound concentrations from water samples spiked at 10 and 50 nanograms per liter ranged from 68 to 171 percent, with standard deviations in concentrations of 27 nanograms per liter or less. The method detection limit for all compounds was 5.9 nanograms per liter or less for 247-milliliter samples. This method is valuable for acquiring information about the fate and transport of these mosquito insecticides and one synergist in water.
Author : Frederick Norville Ward
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (359 download)
Download or read book Analytical Methods Used in Geochemical Exploration by the U.S. Geological Survey written by Frederick Norville Ward and published by . This book was released on 1963 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: A compilation of trace and semimicroanalytical methods of yielding semiquantitative data on geologic materials useful in geochemical prospecting for ore deposits.
Author : Frederick Norville Ward
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.F/5 ( download)
Download or read book Analytical Methods Used in Geochemical Exploration by the U.S. Geological Survey written by Frederick Norville Ward and published by . This book was released on 1963 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
