Non-ionic surface active agents - Determination of cloud point-index - Volumetric method (ISO 4320:1977, including Erratum:1980); German version EN ISO 4320:1997— 4 стр.
Non-ionic surface active agents - Determination of cloud point-index - Volumetric method (ISO 4320:1977, including Erratum:1980); German version EN ISO 4320:1997— 4 стр.