METHOD OF QUANTITATIVE DETERMINATION OF L-NAPHTHOL IN MAMMALIAN URINE Russian patent published in 1994 - IPC

Abstract RU 2011992 C1

FIELD: analytical chemistry. SUBSTANCE: method involves treatment of mammalian urine specimen with aqueous solution of sodium hydroxide up to pH 9-10. Extract is discarded, and remained aqueous part is acidified with acetic acid and extracted with chloroform repeatedly. Thin-layer chromatography is run by using mobile phase consisting of a mixture of hexane-acetone at ratio 3: 1. Method is used in veterinary. EFFECT: improved method of L-naphthol assay. 4 tbl

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RU 2 011 992 C1

Authors

Khaliulin G.L.

Smetov P.K.

Studentsov Ju.V.

Marushkin E.A.

Dates

1994-04-30—Published

1991-05-30—Filed