Масла эфирные. Определение карбонильного числа. Метод с применением свободного гидроксиламина
Название (англ.):
Essential oils; Determination of carbonyl value; Free hydroxylamine method
Описание (англ.):
The determination is carried out by converting the carbonyl compounds to oximes by reaction with free hydroxylamine liberated in a mixture of hydroxylammoniumchloride and potassium hydroxide. The excess alkali is titrated with hydrochloric acid solution, either colorimetrically or potentiometrically. Themethod is applicable to essential oils which contain carbonyl compounds (especially ketones, excluding methylketones) which are difficult to convert to oximes by the method specified in ISO 1279. The method is not applicable to essential oils which contain substantial amounts of esters of other alkali-sensitive constituents.
Дата регистрации:
26.01.84
Дата введения:
01.12.83
Код КГС:
Н69
Код ОКСТУ:
9151;9109;9169
Код ОКС(МКС):
71.100.60
Код ОКП:
9151;9109;9169
Нормативные ссылки:
NF T75-125-1984, EQV
Ключевые слова:
CARBONYL COMPOUNDS (INORGANIC) CARBONYL COMPOUNDS CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT ESSENTIAL OILS CARBONYL COMP CHEMICAL ANALYSIS AND TESTIN