WebMay 1, 1981 · The analysis of urine for dialkyl phosphate residues provides a measure of mammalian exposure to organophosphate pesticides. A method is presented for quantitative determination of six alkyl phosphate urinary metabolites. These metabolites are as follows: O,O-dimethyl phosphate, O,O-diethyl phosphate, O,O-dimethyl phosphorothionate, O,O ... WebMay 24, 2002 · A METHOD FOR THE DETERMINATION OF DIALKYL PHOSPHATE RESIDUES IN URINE. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-81/151 (NTIS PB82124264). Description: The analysis of urine for dialkyl phosphate residues provides a measure of mammalian exposure to organophosphate …
Dialkyl Phosphate - an overview ScienceDirect Topics
Webaryl dialkyl phosphate is a Structural Derivative of. phosphoric acid Mass : 97.99520 Formula : H3O4P phosphorus oxoacid. Definition : A pnictogen oxoacid which contains phosphorus and oxygen, at least one hydrogen atom bound to oxygen, and forms an ion by the loss of one or more protons. ... WebOrganophosphorus Insecticides: Dialkyl Phosphate Metabolites Factsheet Organophosphorus insecticides are chemicals used to kill many types of insects. These … grab template
Measurement of dialkyl phosphate metabolites of
WebThis method is simple and fast and involves automated SPE of the metabolites followed by derivatization with pentafluorobenzyl bromide and quantification by GC-MS. Dibutyl phosphate (DBP) serves as the internal standard. The detection limits for the six metabolites ranged from 0.1 to 0.15 ng/mL. Web1972-08-22 Process for preparation of zinc dialkyl dithiophosphates. 1949-01-25 Phosphonic acid esters. 1949-05-31 Method of forming phosphonic and thiophosphonic acid chlorides. 1966-09-06 2, 6-disubstituted primary aryl phosphites and phosphorodihalidites and processes for the manufacture thereof. 1969-02-18 Method of preparing metal ... WebUrine was analyzed using gas chromatography coupled with mass spectrometry for concentrations of dialkyl phosphate (DAP) metabolites of OPs [dimethylphosphate (DMP); dimethylthiophosphate (DMTP); dimethyldithiophosphate (DMDTP); diethylphosphate (DEP); diethylthiophosphate (DETP); and diethyldithiophosphate (DEDTP)]. grab test for textiles