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A Colorimetric Method for the Estimation of Dieldrin in Wool
Author(s) -
FARRAR J. E.,
LEES K.
Publication year - 1966
Publication title -
journal of the society of dyers and colourists
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.297
H-Index - 49
eISSN - 1478-4408
pISSN - 0037-9859
DOI - 10.1111/j.1478-4408.1966.tb02685.x
Subject(s) - diphenylamine , chemistry , dieldrin , methanol , wool , benzene , zinc , glue , chromatography , nuclear chemistry , organic chemistry , materials science , pesticide , agronomy , composite material , biology
Dieldrin is quantitatively extracted from wool with benzene–methanol, separated from the extract chromatographically, and reacted with diphenylamine and zinc chloride to give a blue colour, the optical density of which is measured.