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sklademVydáno: 1989-07-31
BS 1715-2.2:1989
Analysis of soaps. Quantitative test methods Method for determination of total free alkali content
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| Označení normy: | BS 1715-2.2:1989 |
| Počet stran: | 10 |
| Vydáno: | 1989-07-31 |
| ISBN: | 0 580 17288 0 |
| Status: | Standard |
DESCRIPTION
BS 1715-2.2:1989
This standard BS 1715-2.2:1989 Analysis of soaps. Quantitative test methods is classified in these ICS categories:
- 71.100.40 Surface active agents
This International Standard specifies a method for the determination of the total free alkali content of commercial soaps, excluding compounded products1).
The method is not applicable if the soap contains additives (alkali silicates, etc.) which can be decomposed by sulphuric acid by the procedure specified. The method is also not applicable to coloured soaps if the colour interferes with the phenolphthalein end point.
Titrimetric determination. Not applicable to compounded products, or to coloured soaps if the colour interferes.