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ISO 3420:1975

Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of ash — Gravimetric method ISO 3420:1975

Publication date:   Nov 1, 1975

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

67.220.20   Food additives | 71.060.50   Salts

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Scope

Applicable to ash contents equal to or more than 0.0001 % (m/m). The principle consists in heating a test portion at low flame in a well-ventilated fume cupboard. After complete volatilization, heating in a furnace at a temperature of (575 25) °C to constant mass.

Life cycle

NOW

WITHDRAWN
ISO 3420:1975
95.99 Withdrawal of Standard
May 27, 2002




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