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ISO
ISO 4315 : 1977

ISO 4315 : 1977

Surface active agents — Determination of alkalinity — Titrimetric method

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General Information

Status : Active

Standard Type : Main

Document No : ISO 4315 : 1977

Document Year : 1977

Pages : 2

Edition : 1

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

ICS : Surface active agents (71.100.40)

A clear solution of the substance is titrated with a standard volumetric hydrochloric acid solution, in the presence of methyl orange or bromophenol blue as indicator. This method is only applicable when so indicated in the specific standard for each product; in particular, it is not suitable for products containing soaps.