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ISO
ISO 4314 : 1977

ISO 4314 : 1977

Surface active agents — Determination of free alkalinity or free acidity — Titrimetric method

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General Information

Status : Active

Standard Type : Main

Document No : ISO 4314 : 1977

Document Year : 1977

Pages : 2

Edition : 1

Section Volume : Surface active agents (ISO/TC 91.)

ICS : Surface active agents (71.100.40)

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.