Вещества поверхностно-активные. Определение содержания минерального сульфата. Титриметрический метод
Название (англ.):
Surface active agents; Determination of mineral sulfate content; Titrimetric method
Описание (англ.):
A buffered acetonic solution of a test portion is titrated with a standard volumetric lead(II) nitrate solution in the presence of dithizone as indicator. The method is applicable to anionic surface active agents, containing sodium, ammonium and alkanolamine sulphates. It is not applicable to products containing other compounds such as phosphates or large amounts of chloride nor is it applicable in the presence of largeamounts of salts of weak acids (for example, soaps or monoesters of sulphosuccinic acid).
Дата регистрации:
01.03.83
Дата введения:
01.02.83
Код КГС:
Л99
Код ОКСТУ:
2480;2409
Код ОКС(МКС):
71.100.40
Код ОКП:
2480;2409
Нормативные ссылки:
NBN T 63-158-1987, EQV*NF T73-208-1973, EQV*UNE 55-808-85-1985, EQV*BS 6829 PART 1 SECTION 1.1(1987/BSI), EQV
Ключевые слова:
DETERMINATION OF CONTENT SULPHATES SURFACTANTS TESTING TESTS TITRATION