718191

ISO 456:1973

Surface active agents -- Analysis of soaps -- Determination of free caustic alkali

standard by International Organization for Standardization , 03/01/1973

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Full Description

The determination may be carried out in two different ways by the ethanol method or the barium chloride method. In the first case the soap is dissolved in neutralized ethanol, and the free caustic alkali is titrated with an ewthanol solution of hydrochloric acid. The second way includes precipitating of soap and carbonate with barium chloride and determining of the residual alkalinity of the solution, representing the alkalinity of the free potassium hydroxide.

 

Product Details

Published:
03/01/1973
Number of Pages:
3
File Size:
1 file , 250 KB
Same As:
BS 1715-2.3:1989
Note:
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