Бутан-1,4-диол технический. Определение степени ненасыщенности
Название (англ.):
Butane-1,4-diol for industrial use; Determination of degree of unsaturation
Описание (англ.):
A test portion is treated with a solution of bromine in absolute methanol saturated with sodium bromide (Kaufman solution). After addition of potassium iodide solution the liberated iodine is titrated with standard volumetric sodium thiosulfate solution. The degree of unsaturation is expressed as iodine value, the number of grams of iodine absorbed by 100 g of a substance under specified conditions of test.
Дата регистрации:
01.01.82
Дата введения:
01.10.81
Дата отмены:
30.05.02
Код КГС:
Л29
Код ОКСТУ:
2420;2409
Код ОКС(МКС):
71.080.10
Код ОКП:
2420;2409
Нормативные ссылки:
NBN T 04-150-1983, EQV*NF T20-666-1984, EQV
Ключевые слова:
ALIPHATIC HYDROCARBONS BUTANE BUTANES CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT INDUSTRIAL PRODUCTS IODINE UNSATURATED VOLUMETRIC ANALYSIS ALIPHATIC HYDROCARBON CHEMICAL ANALYSIS AND TESTIN