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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Publications of ISO/TC 91

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ISO 2871-2	2010-02	Standards	Surface active agents - Detergents - Determination of cationic-active matter content - Part 2: Cationic-active matter of low molecular mass (between 200 and 500) More	Order from DIN Media
ISO 4198	1984-08	Standards	Surface active agents; Detergents for hand dishwashing; Guide for comparative testing of performance More	Order from DIN Media
ISO 4311	1979-06	Standards	Anionic and non-ionic surface active agents; Determination of the critical micellization concentration; Method by measuring surface tension with a plate, stirrup or ring More	Order from DIN Media
ISO 4312	1989-09	Standards	Surface active agents; evaluation of certain effects of laundering; methods of analysis and test for unsoiled cotton control cloth More	Order from DIN Media
ISO 4313	1976-11	Standards	Washing powders; Determination of total phosphorus(V) oxide content; Quinoline phosphomolybdate gravimetric method More	Order from DIN Media
ISO 4314	1977-02	Standards	Surface active agents; Determination of free alkalinity or free acidity; Titrimetric method More	Order from DIN Media
ISO 4315	1977-02	Standards	Surface active agents; Determination of alkalinity; Titrimetric method More	Order from DIN Media
ISO 4316	1977-08	Standards	Surface active agents; Determination of pH of aqueous solutions; Potentiometric method More	Order from DIN Media
ISO 4317	2011-12	Standards	Surface-active agents and detergents - Determination of water content - Karl Fischer methods More	Order from DIN Media
ISO 4318	1989-07	Standards	Surface active agents and soaps; determination of water content; azeotropic distillation method More	Order from DIN Media

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