Norm

ISO 1063:1974 en

Surface active agents - Determination of stability in hard water

31,57

Over deze norm

Status Definitief
Aantal pagina's 3
Gepubliceerd op 01-12-1974
Taal Engels
Solutions of the substance to be tested in differing concentrations are mixed with hard water solutions of differing known calcium hardness. After leaving the solutions to stand in specified conditions their appearance, i.e. clearness, opalescence, cloudiness or precipitation is observed. The method is applicable to surface active agents soluble in water at 20 °C. It can be extended to those which are soluble at approximately 50 °C.

Details

ICS-code 71.100.40
Nederlandse titel Surface active agents - Determination of stability in hard water
Engelse titel Surface active agents - Determination of stability in hard water

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