STM PDF

Anionic and non-ionic surface active agents - Determination of the critical micellization concentration - Method by measuring surface tension with a plate, stirrup or ring. Original standard ISO 4311-1979 in PDF full version. Additional info + preview on request

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Surface active agents - Evaluation of certain effects of laundering - Methods of analysis and test for unsoiled cotton control cloth. Original standard ISO 4312-1989 in PDF full version. Additional info + preview on request

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Washing powders - Determination of total phosphorus(V) oxide content - Quinoline phosphomolybdate gravimetric method. Original standard ISO 4313-1976 in PDF full version. Additional info + preview on request

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Surface active agents - Determination of free alkalinity or free acidity - Titrimetric method. Original standard ISO 4314-1977 in PDF full version. Additional info + preview on request

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Surface active agents - Determination of alkalinity - Titrimetric method. Original standard ISO 4315-1977 in PDF full version. Additional info + preview on request

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Surface active agents - Determination of pH of aqueous solutions - Potentiometric method. Original standard ISO 4316-1977 in PDF full version. Additional info + preview on request

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