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Hlavní stránka>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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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

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
Popis

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.
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