1945
DOI: 10.1021/i560147a010
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Colorimetric Determination of DDT.Color Test For Related Compounds

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Cited by 112 publications
(41 citation statements)
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“…The degradation product formed by the interaction of DDT and alcoholic alkali (2: 2-bis (p-chlorophenyl) -1: 1-dichloroethylene) does not yield a colour with their reagents (unpublished data). Schechter et al (1945) published a specific method for the estimation of DDT and related compounds, depending on intensive nitration followed by the development of colours in benzene solution with methanolic sodium methylate, and subsequent spectrophotometric estimation. This method was later applied to animal tissues by Ofner and Calvery (1945) and by the present writer (unpublished).…”
Section: Discussionmentioning
confidence: 99%
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“…The degradation product formed by the interaction of DDT and alcoholic alkali (2: 2-bis (p-chlorophenyl) -1: 1-dichloroethylene) does not yield a colour with their reagents (unpublished data). Schechter et al (1945) published a specific method for the estimation of DDT and related compounds, depending on intensive nitration followed by the development of colours in benzene solution with methanolic sodium methylate, and subsequent spectrophotometric estimation. This method was later applied to animal tissues by Ofner and Calvery (1945) and by the present writer (unpublished).…”
Section: Discussionmentioning
confidence: 99%
“…The present paper deals with the latter topics in an attempt to find out how DDT acts on living cells as well as on the organism as a whole. METHODS DDT and 2: 2-bis(p-chlorophenyl)acetic acid (DDA) were estimated spectrophotometrically by the method of Schechter, Soloway, Hayes, and Haller (1945). Organically bound chlorine was determined simultaneously by the method of the writer (1948); urinary sulphur partitions by the volumetric benzidine method as modified by Elson, Goulden, and Warren (1945); urinary glycuronic acid by the method of Kapp (1940); urinary nitrogen, plasma protein, and non-protein nitrogen by the microKjeldahl method; blood lactic acid by the method of Barker and Summerson (1941); glucose by the HagedornJensen method or by the technique of Nelson (1944); 'liver glycogen by the method of Good, Kramer, and Somogyi (1933); serum potassium by the method of Hoffman (1937);.…”
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confidence: 99%
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“…The doses of contact insecticide retained by larvae after spray treatment with DDT were estimated by stripping the insecticide deposits from the larval cuticle immediately after spraying and analysing them, using the method of Schechter, Soloway, Hayes & Haller (1945).…”
Section: Methodsmentioning
confidence: 99%