ISO 3794:1976
Current
The latest, up-to-date edition.
Essential oils (containing tertiary alcohols) — Estimation of free alcohols content by determination of ester value after acetylation
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English, French
01-12-1976
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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-acetylated essential 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.
| DocumentType |
Standard
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| Pages |
2
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| PublisherName |
International Organization for Standardization
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| Status |
Current
|
| Standards | Relationship |
| BS ISO 3794:1976 | Identical |
| GOST ISO 3794 : 2015 | Identical |
| NEN ISO 3794 : 1978 | Identical |
| BIS IS 326-9-2 : 2017 | Identical |
| UNE 84166:1992 | Identical |
| BS ISO 3761:2005 | Oil of rosewood, Brazilian type [Aniba rosaeodora Ducke var. amazonica Ducke or Aniba parviflora (Meissner) Mez] |
| ISO 3761:2005 | Oil of rosewood, Brazilian type (Aniba rosaeodora Ducke or Aniba parviflora (Meisn.) Mez.) |
| NF ISO 3761 : 2006 | OIL OF ROSEWOOD, BRAZILIAN TYPE (ANIBA ROSAEODORA DUCKE OR ANIBA PARVIFLORA (MEISN.) MEZ.) |
| ISO 4725:2004 | Oil of cedarwood, Texas (Juniperus mexicana Schiede) |
| NF ISO 4725 : 2004 | OIL OF CEDARWOOD, TEXAS TYPE (JUNIPERUS MEXICANA SCHIEDE) |
| BS ISO 4725:2004 | Oil of cedarwood, Texas (Juniperus mexicana Schiede) |
| ISO 1241:1996 | Essential oils Determination of ester values, before and after acetylation, and evaluation of the contents of free and total alcohols |
| ISO 212:2007 | Essential oils Sampling |
| ISO 709:2001 | Essential oils Determination of ester value |
| ISO 356:1996 | Essential oils Preparation of test samples |
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