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SRPS H.B8.358:1982

Boric acid, boric oxide and disodium tetraborates for industrial use — Determination of chromium content — Diphenylcarbazide photometric method

Apr 26, 1982
Apr 26, 1982
95.99   Withdrawal of Standard   Jan 28, 2013

General information

95.99     Jan 28, 2013

ISS

H047

International Standard

71.060.01  

Serbian  

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Scope

Alkaline fusion of a test portion by sodium carbonate and subsequent neutralization by sulphuric acid. Measurement of the absorption of the complex formed by chromium and diphenylcarbazide at a wavelength of abour 540 nm after adding sodium azide for elimination of the colour caused by manganese.

Life cycle

NOW

WITHDRAWN
SRPS H.B8.358:1982
95.99 Withdrawal of Standard
Jan 28, 2013

Related project

Adopted from ISO 3119:1976