BS 4651-4:1988
Current
The latest, up-to-date edition.
Ammonia solution Method for determination of residue after heating at 850°C
Hardcopy , PDF
English
31-08-1988
NO CONTENTS SECTION
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.
| Committee |
CII/37
|
| DevelopmentNote |
Supersedes 87/51189 DC and BS 4651(1971) (08/2005) Reviewed and confirmed by BSI, December 2012. (11/2012)
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
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.
| BS 4651-0:1987 | Ammonia solution Methods for sampling |
| BS 4651-1:1988 | Ammonia solution Method for determination of density at 20°C |
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