Normas ISO

Non-ionic surface active agents -- Determination of sulphated ash -- Gravimetric method

Washing powders -- Determination of active oxygen content -- Titrimetric method

Non-ionic surface active agents -- Determination of cloud point index -- Volumetric method

Surface active agents -- Detergents for washing fabrics -- Guide for comparative testing of performance

Surface active agents and soaps -- Determination of water content -- Azeotropic distillation method

Surface-active agents and detergents -- Determination of water content -- Karl Fischer method