ISO 456:1973
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Surface active agents Analysis of soaps Determination of free caustic alkali
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English, French
01-03-1973
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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.
| DevelopmentNote |
Also numbered as BS 1715-2.3(1989). (06/2005)
|
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
International Organization for Standardization
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| Status |
Current
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| Standards | Relationship |
| BS 1715:1963 | Similar to |
| NEN ISO 456 : 1983 | Identical |
| PN ISO 456 : 2000 | Identical |
| UNI 26021 : 1995 | Identical |
| NBN T 63 102 : 1980 | Identical |
| UNE 55901:1985 | Identical |
| BS 1715-1:1991 | Analysis of soaps General introduction, sampling, and test for presence of synthetic anionic-active surface active agents |
| BS 1715-1:1989 | Analysis of soaps. General introduction, sampling, and test for presence of synthetic anionic-active surface active agents |
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