ISO 3119:1976

Name: ISO 3119:1976
Brand: ISO
SKU: ISO 3119:1976
Price: 76.23 EUR
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Boric acid, boric oxide and disodium tetraborates for industrial use — Determination of chromium content — Diphenylcarbazide photometric method ISO 3119:1976

Publication date: Apr 1, 1976

95.99 Withdrawal of Standard May 27, 2002

General information

Current stage: 95.99 Withdrawal of Standard May 27, 2002

Originator: ISO

Owner: ISO/TC 47 Chemistry

Type: International Standard

ICS: 71.060.01 Inorganic chemicals in general

Buying

Status: Withdrawn

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WITHDRAWN
ISO 3119:1976
95.99 Withdrawal of Standard
May 27, 2002