0

ISO 5994:1979

Sodium sulphate for industrial use — Determination of calcium content — Flame atomic absorption spectrometric method ISO 5994:1979

Publication date:   Sep 1, 1979

95.99   Withdrawal of Standard   May 27, 2002

General information

95.99   Withdrawal of Standard   May 27, 2002

ISO

ISO/TC 47 Chemistry

International Standard

71.060.50   Salts

Buying

Withdrawn

Language in which you want to receive the document.

Scope

Specifies a method, the principle of which is based on acidification of a test portion with hydrochlorid acid, aspiration of the test solution into an acetylene-dinitrogen monoxide or acetylene-air-flame, and measurement of the absorption of the 422,7 nm line emitted by a calcium hollow-cathode lamp.

Life cycle

NOW

WITHDRAWN
ISO 5994:1979
95.99 Withdrawal of Standard
May 27, 2002




Access Genorma App Everywhere

Get fast and easy access to top European and International standards (EN, ISO, IEC) via your mobile phone, tablet or the web.

Google Play App Store Web Version