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immediate downloadReleased: 1988-08-31
BS 4651-4:1988
Ammonia solution Method for determination of residue after heating at 850°C
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| Standard number: | BS 4651-4:1988 |
| Pages: | 8 |
| Released: | 1988-08-31 |
| ISBN: | 0 580 16538 8 |
| Status: | Standard |
DESCRIPTION
BS 4651-4:1988
This standard BS 4651-4:1988 Ammonia solution is classified in these ICS categories:
- 71.060.40 Bases
This Part of BS 4651 describes a gravimetric method for the determination of the residue after heating at 850 °C of ammonia solution for industrial use.
The method is applicable to solutions containing 25.0 % to 35.0 % (m/m) ammonia and with a residue after heating at 850 °C of not lower than 3 mg/kg.
NOTE The publications referred to in this standard are listed on the inside back cover.
Applicable to ammonia solutions of concentrations within the range 25% to 35%, by mass, and with a residue after heating of not less than 3 mg/kg.