Colorimetric assay of 2,2-bis(4-chloroph
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S.S.A. Zaidi; B.D. Banerjee; M. Ramachandran; Q.Z. Hussain
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Article
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1984
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Elsevier Science
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English
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2,2-Bis(4-chlorophenyl) acetic acid (DDA) was extracted from acidified urine at pH 2 by benzene. It was complexed by partitioning with crystal violet in acetic acid to yield a blue color which was quantitated at 6 10 nm. Its identity was conlirrned by paper chromatographic separation. The DDA excret