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ISO 12966-3:2016
Animal and vegetable fats and oils — Gas chromatography of fatty acid methyl esters — Part 3: Preparation of methyl esters using trimethylsulfonium hydroxide (TMSH)- 발행일 : 2016-05-12
- 발행기관 : ISO
상세정보
| 분야 | ISO/TC 34/SC 11 : Animal and vegetable fats and oils |
|---|---|
| 적용범위 | ISO 12966-3:2016 specifies a rapid base-catalysed transesterification method for fats and oils with trimethylsulfonium hydroxide (TMSH) to prepare fatty acid methyl esters. The method is exclusively applicable to the preparation of methyl esters of fats and oils for gas liquid chromatographic (GLC) analysis. It is applicable to all fats and oils, but excluding those coming from milk and milk products. Isomerization of unsaturated fatty acids only occurs to a minor extent and isomerized fatty acids are only present at the determination limit. As isomerization takes place, the procedure is not recommended for conjugated linoleic acid (CLA). Only about 70 % to 80 % of the free fatty acids are esterified. In the case of conjugated cyclopropyl and cyclopropenyl fatty acids, side reactions may occur, but these do not interfere with the determination of the fatty acids. |
| 국제분류(ICS)코드 | 67.200.10 : 동물성 지방 및 식물성 기름 |
| 페이지수 | 4 |
| Edition | 2 |
이력정보
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 12966-3:2016상세보기 | Animal and vegetable fats and oils — Gas chromatography of fatty acid methyl esters — Part 3: Preparation of methyl esters using trimethylsulfonium hydroxide (TMSH) | 2016-05-12 | 표준 |
| 2 | ISO 12966-3:2009상세보기 | Animal and vegetable fats and oils — Gas chromatography of fatty acid methyl esters — Part 3: Preparation of methyl esters using trimethylsulfonium hydroxide (TMSH) | 2009-12-04 | 구판 |
관련상품
- ISO/DIS 12966-4 - Animal and vegetable fats and oils — Gas chromatography of fatty acid methyl esters — Part 4: Determination by capillary gas chromatography
- ISO 12966-1:2014 - Animal and vegetable fats and oils — Gas chromatography of fatty acid methyl esters — Part 1: Guidelines on modern gas chromatography of fatty acid methyl esters
- ISO 12966-4:2015 - Animal and vegetable fats and oils — Gas chromatography of fatty acid methyl esters — Part 4: Determination by capillary gas chromatography
- ISO 12966-2:2017 - Animal and vegetable fats and oils — Gas chromatography of fatty acid methyl esters — Part 2: Preparation of methyl esters of fatty acids
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