METHOD FOR DETERMINATION OF MASS PORTION OF ACTIVE CHLORINE IN N-DERIVATIVES OF SYMMETRICAL TRIAZINE WHICH IS INSOLUBLE IN WATER AND IN ACETIC ACID Russian patent published in 1995 - IPC

Abstract RU 2030746 C1

FIELD: analytic chemistry. SUBSTANCE: sample is dissolved in aqueous solution of alkali. Then glacial acetic acid and 10% aqueous solution of potassium iodide are added. Thus separated iodine is titrated after sustaining within 10 min in dark place. The process is carried out with the help of aqueous solution of sodium thiosulfate, starch solution being added at the final step of titration. EFFECT: improves efficiency of the method. 3 tbl

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RU 2 030 746 C1

Authors

Komissarenko V.P.

Chumak L.G.

Tarasenko T.I.

Dates

1995-03-10Published

1992-04-10Filed