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BS ISO 16958:2015 Milk, milk products, infant formula and adult nutritionals. Determination of fatty acids composition. Capillary gas chromatographic method >
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BS ISO 16958:2015 Milk, milk products, infant formula and adult nutritionals. Determination of fatty acids composition. Capillary gas chromatographic method, 2015
- Forewords
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Reagents
- 6 Apparatus
- 7 Sampling
- 8 Preparation of test sample
- 8.1 Liquid and powder milk and infant formula with a fat content ≥ 1,5 % m/m
- 8.2 Liquid and powder milk and infant formula with a fat content < 1,5 % m/m
- 8.3 Cheese
- 9 Procedure
- 9.1 Test portion
- 9.2 Quantitative determination
- 9.2.1 Determination of response factors
- 9.2.2 Determination of the test portion
- 9.2.3 Fatty acid identification
- 10 Calculation and expression of results
- 10.1 Calculation
- 10.1.1 Calculation of response factor
- 10.1.2 Fatty acids on the product
- 10.1.3 Fatty acids on the total fat
- 10.1.4 Sum of class or group of fatty acids in 100 g product
- 10.1.5 Sum of class or group of fatty acids in 100 g fat
- 10.1.6 Performance of the transesterification
- 10.2 Expression of results
- 11 Precision
- 11.1 Interlaboratory test
- 11.2 Repeatability
- 11.3 Reproducibility
- 11.4 Limit of detection
- 11.5 Limit of quantitation
- 12 Test report
- Annex A (normative) Groups or classes of fatty acids and individual fatty acids
- Annex B (informative) Examples of the gas–liquid chromatographic analysis
- Annex C (informative) Results of an interlaboratory trial
- Bibliography [Go to Page]