ISO 3420:1975
$7.80
Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of ash — Gravimetric method
| Published By | Publication Date | Number of Pages |
| ISO | 1975-11 | 3 |
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.
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