Тритолилфосфат технический. Определение содержания свободных фенолов. Волюметрический метод
Название (англ.):
Tritolyl phosphate for industrial use; Determination of apparent free phenols content; Volumetric method
Описание (англ.):
The method specified determines only those phenols capable of reacting at the 2nd, 4th and 6th position (-OH = 1). The procedure consists in extraction of free phenols from a test portion with sodium hydroxide solution. Bromination of these phenols with potassium bromide-bromate solution in an acid medium and determination of the excess bromine after reaction with potassium iodide by titration with standard volumetric sodium thiosulphate solution.
Дата регистрации:
05.05.74
Дата введения:
01.04.74
Дата отмены:
30.05.02
Код КГС:
Л29
Код ОКСТУ:
2148;2109
Код ОКС(МКС):
71.080.70
Код ОКП:
2148;2109
Нормативные ссылки:
BS 1999-1964, NEQ*NBN T 04-248-1983, EQV*NF T20-706-1985, EQV*NS 9028-1981, NEQ
Ключевые слова:
CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT PHENOLS PHOSPHATES TOLYL COMPOUNDS TRITOLYL PHOSPHATE VOLUMETRIC ANALYSIS CHEMICAL ANALYSIS AND TESTIN ORTHOPHOSPHATES