Масла эфирные (содержащие третичные спирты). Оценка содержания свободных спиртов путем определения эфирного числа после ацетилирования
Название (англ.):
Essential oils (containing tertiary alcohols); Estimation of free alcohols content by determination of ester value after acetylation
Описание (англ.):
The estimation is carried out by acetylation of the essential oil by acetyl chloride and acetic anhydride, in the presence of dimethylaniline. The acetylated oil is isolated and dried and the ester value is determined. The free alcohols content is calculated taking into account the ester values of the same but non-acetylatedessential oil. This method is applicable to essential oils containing an appreciable proportion of tertiary alcohols, namely of linalol and terpineol. It is not applicable to essential oils containing appreciable proportions of phenols, anthranilates, lactones and aldehydes.
ALCOHOL ALCOHOLS CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT ESSENTIAL OILS ESTER NUMBER ESTER VALUE CHEMICAL ANALYSIS AND TESTIN