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sklademVydáno: 1988-08-31
BS 6829-4.6:1988
Analysis of surface active agents (raw materials). Ethylene oxide adducts Method for determination of hydroxyl value
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| Označení normy: | BS 6829-4.6:1988 |
| Počet stran: | 12 |
| Vydáno: | 1988-08-31 |
| ISBN: | 0 580 16690 2 |
| Status: | Standard |
DESCRIPTION
BS 6829-4.6:1988
This standard BS 6829-4.6:1988 Analysis of surface active agents (raw materials). Ethylene oxide adducts is classified in these ICS categories:
- 71.100.40 Surface active agents
This International Standard specifies a method for the determination of the hydroxyl value of polyethoxylated condensates by esterification of the hydroxyl groups with acetic anhydride.
Acetic anhydride esterification method applicable to polyethoxylated condensates of aliphatic and alicyclic compounds, for the determination of hydroxyl values of from 10 to 1000. Not applicable to propoxylated products.