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SRPS H.B8.359:1982

Boric acid, boric oxide and disodium tetraborates for industrial use — Determination of cobalt content — 2- nitroso-1- naphthol 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

Describes a method applicable to products having cobalt contents equal to or greater than 0,1 mg/kg. The principle of determination is based on dissolution of a test portion, formation of the coloured cobalt 2-nitrose-1-naphtol complex, extraction with chloroform and photometric measurement at a wavelength of about 530 nm.

Life cycle

NOW

WITHDRAWN
SRPS H.B8.359:1982
95.99 Withdrawal of Standard
Jan 28, 2013

Related project

Adopted from ISO 5932:1980