Zobrazeno 1 - 10 of 16 pro vyhledávání: '"Melvin E. Getz"'
1
Identification and Analyses of Five Organophosphate Pesticides: Recoveries from Crops Fortified at Different Levels
Autor: S J Friedman, Randall R Watts, Laura Giuffrida, R W Storherr, Melvin E Getz, F Erwin, F Ives
Publikováno v: Journal of AOAC INTERNATIONAL. 47:1087-1093
The recoveries of five parent organophosphate pesticides from eight different fortified crops were determined hy a “gross” cleanup technique. The primary method of analysis. was GLC. Other determinative methods used for comparison were total phos
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::86e2ef2c60b78da8397000c7ae33e71d
https://doi.org/10.1093/jaoac/47.6.1087
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2
Organophosphate Pesticide Residues: A Spot Test for Detecting Cholinesterase Inhibitors
Autor: Stanley J Friedman, Melvin E Getz
Publikováno v: Journal of AOAC INTERNATIONAL. 46:707-710
An improved paper chromatographic method, based on Cook,s serum cholinesterase inhibition spot test, can be used to detect potentially toxic organophosphate pesticide residues. A quantitative estimation requires the use of appropriate reference stand
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::73a341b6766b179e7ca1f269f3698b47
https://doi.org/10.1093/jaoac/46.4.707
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6
An Automatic Spotter for Quantitative Thin Layer and Paper Chromatographic Analysis by Optical Scanning
Autor: Melvin E. Getz
Publikováno v: Journal of AOAC INTERNATIONAL. 54:982-985
An automatic spotting device was designed that facilitates the spotting of samples and standards on TLC plates and paper chromatograms. It also standardizes the method of application so that optical scanning techniques can be used for quantitative de
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b303c4bbc9b243c6a7f17a6b25b0de1
https://doi.org/10.1093/jaoac/54.4.982
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7
Automatic spotting of pesticide extracts on thin-layer plates
Autor: Morton Beroza, Melvin E. Getz, C. W. Collier
Publikováno v: Bulletin of Environmental Contamination and Toxicology. 3:18-25
An apparatus has been devised to apply on a thin-layer sheet 9 samples of 1 or 2 ml of a solvent extract at a rate of 1 ml/20 to 30 min, thereby allowing the solvent to be evaporated by an airstream. Spots were 5 to 6 mm in diameter, and no attention
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e12568f4d8d1fc05b0dcf78cd9bcda9
https://doi.org/10.1007/bf01684304
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8
A Preliminary Investigation Into the Quantitative Determination of Organophosphorus Pesticide Residues by Conversion to Orthophosphate Ion
Autor: Melvin E Getz
Publikováno v: Journal of AOAC INTERNATIONAL. 47:1103-1105
Organophosphate pesticides are converted to orthophosphate ion, by reaction with a dilute solution of ammonium persulfate. This method shortens the reaction time and eliminates the handling of strong acids necessary for conventional digestion procedu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6d4299bb952a983a9151c2886f81afb0
https://doi.org/10.1093/jaoac/47.6.1103
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9
Application of 4-(p-Nitrobenzyl) pyridine as a Rapid Quantitative Reagent for Organophosphate Pesticides
Autor: Randall R Watts, Melvin E Getz
Publikováno v: Journal of AOAC INTERNATIONAL. 47:1094-1096
A rapid colorimetric determination for organophosphate pesticides is reported. The basis for this method is the reaction between nitrobenzyl pyridine and phosphate pesticide in a slightly basic solution at 175-180°C. The method reported is rapid and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::078fed90c1e94d088c19be61d0c8230b
https://doi.org/10.1093/jaoac/47.6.1094
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