ISO 3420:1975
Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of ash — Gravimetric method
OVERVIEW
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.
COMMENTS
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PRODUCT DETAILS
| Status | Withdrawn - 03 Jan 2024 |
|---|---|
| Edition | 1975 |
| No. of Pages | 1 |
| ICS Classification | 71.060.50 Salts 67.220.20 Food additives |
| Committee | ISO/TC 47 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |