ISO 3420:1975 PDF
Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of ash — Gravimetric method
Open preview (PDF)Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of ash — Gravimetric methodTitle (English):
ISO 3420:1975
Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of ash — Gravimetric method
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 1
- Publication date:
- November 1, 1975
- Edition:
- ISO IS 3420 edition 1 version 1
- ICS:
- 67.220.20
Description (English):
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.
Technical details
- Technical committee
- ISO/TC 47 - Chemistry
- SKU
- ISO 3420:1975
