Глицерин технический. Определение содержания глицерина. Титриметрический метод
Название (англ.):
Glycerine for industrial use; Determination of glycerol content; Titrimetric method
Описание (англ.):
Applicable to the analysis of glycerines free from organic compounds other than glycerol having more than two hydroxyl goups on adjacent carbon atoms, such as sugars which can also give rise to formic acid and, for this reason, will interfere in the determination. The procedure begins with a cold oxidation of the glycerol by sodium periodate in a strongly acid medium, followed by titration of the formic acidproduced by the reaction with standard volumetric sodium hydroxide solution, using a pH meter.
Дата регистрации:
01.05.75
Дата введения:
01.04.75
Дата отмены:
30.05.02
Код КГС:
Л29
Код ОКСТУ:
2420;2409
Код ОКС(МКС):
71.080.60
Код ОКП:
2420;2409
Нормативные ссылки:
BS 5711 PART 3-1979, NEQ*NBN T 04-170-1983, EQV*NF T60-363-1980, EQV*NS 9037-1981, NEQ*DIN 55967-1993, NEQ
Ключевые слова:
DETERMINATION OF CONTENT GLYCEROL VOLUMETRIC ANALYSIS