GB/T 14455.7-1993
Essential oils. Determination of ester value after acetylation and evaluation of free alcohols and total alcohols content (English Version)

Standard No.: GB/T 14455.7-1993
Language: Chinese, Available in English version
Release Date: 1993
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status: Be replaced 2008-11
Replace By: GB/T 14455.7-2008
Latest: GB/T 14455.7-2008

Scope: This standard specifies a method for the determination of ester value after acetylation. Free and total alcohol content was assessed by measuring ester values before and after acetylation. This standard applies to essential oils containing primary and secondary alcohol components. This standard does not apply to essential oils containing a certain amount of the following ingredients. Tertiary alcohols: they cannot be completely acetylated; phenols, lactones, aldehydes or easily enolized ketones: they will also be acetylated together with the free alcohols.

GB/T 14455.7-1993 history

2008 GB/T 14455.7-2008 Determination of ester value and evaluation of free alcohol and total alcohol content after acetylation of fragrances
1993 GB/T 14455.7-1993 Essential oils. Determination of ester value after acetylation and evaluation of free alcohols and total alcohols content