ISO-4314 › Surface active agents -- Determination of free alkalinity or free acidity -- Titrimetric method
ISO-4314
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1ST EDITION
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CURRENT
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The determination is carried out in the following way: Titration of an ethanolic or propanolic solution of the product with a standard volumetric potassium hydroxide or hydrochloric acid or sulphuric acid solution whichever is appropriate, in the presence of phenolphthalein as indicator.
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71.100.40 (Surface active agents)
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Document Number
ISO 4314:1977
Revision Level
1ST EDITION
Status
Current
Publication Date
Feb. 1, 1977
Committee Number
ISO TC 91