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SRPS H.B8.352:1982

Boric acid, boric oxide, disodium tetraborates, sodium perborates and crude borates for industrial use — Determination of iron content — 2,2'- Bipyridyl 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

Preliminary reduction of the iron(III) by hydroxylammonium chloride, if required, suppression of the interference of tin by oxalic acid. Formation of the coloured iron(III)-2,2'-dipyridyl complex in a buffered medium. Photometric measurement of the coloured complex at a wavelength of about 522 nm.

Life cycle

NOW

WITHDRAWN
SRPS H.B8.352:1982
95.99 Withdrawal of Standard
Jan 28, 2013

Related project

Adopted from ISO 3122:1976