Углеводороды ароматические. Испытание на присутствие меркаптанов (тиолов). Докторская проба
Название (англ.):
Aromatic hydrocarbons; Test for presence of mercaptans (thiols); Doctor test
Описание (англ.):
Specifies the detection of thioalcohols. Hydrogen sulphide can also be detected by the test. Inapplicable in the presence of only traces of peroxides. Shaking of a test portion with sodium plumbite solution (Doctor solution) and observation of the mixture. From its appearence, the presence of thioalcohols, hydrogen sulphide, peroxides or elemental sulphur can be deduced. Confirmation by the addition of sulphur, shaking andobservation of the appearance of the final mixture.
Заменён стандартами:
ISO 5275:2003
Дата регистрации:
01.10.79
Дата введения:
01.10.79
Дата отмены:
03.07.03
Код КГС:
Л29
Код ОКСТУ:
2410;2409
Код ОКС(МКС):
71.080.15
Код ОКП:
2410;2409
Нормативные ссылки:
DIN ISO 5275-1987, EQV
Ключевые слова:
AROMATIC HYDROCARBONS CHEMICAL ANALYSIS AND TESTING CHEMICAL COMPOSITION CHEMICAL TESTS DETECTION DETERMINATION OF CONTENT HYDROCARBONS HYDROGEN SULPHIDE MERCAPTANS TESTING THIOLS VOLATILE MATTER DETERMINATION GRAVIME CHEMICAL ANALYSIS AND TESTIN