Толуол. Определение углеводородных примесей. Метод газовой хроматографии
Название (англ.):
Toluene; Determination of hydrocarbon impurities; Gas chromatographic method
Описание (англ.):
Applicable to the quantitative determination of contents of benzene, C8 aromatics and aliphatics up to n-nonane in the range between 0.01 % (m/m) and 1.00 % (m/m). Alternatives that will give equivalent results may also be used.Addition of a known amount of intgernal standard to a test portion and introduction of an aliquot portion of this mixture into a separating column. Sweeping of the vaporized mixture through the column by a flow of carrier gas. Detection of each component as it emerges by a flame ionization detector and recording as a peak on a diagram. Identification by their relative retention times and quantitative determination from the ratio of their peak areas.
Дата регистрации:
01.01.81
Дата введения:
01.10.80
Код КГС:
Л29
Код ОКСТУ:
2414;2409
Код ОКС(МКС):
71.080.15
Код ОКП:
2414;2409
Ключевые слова:
AROMATIC HYDROCARBONS CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT GAS CHROMATOGRAPHY GAS PHASE CHROMATOGRAPHY HYDROCARBONS IMPURITIES TOLUENE CHEMICAL ANALYSIS AND TESTIN