BSI PD ISO/TS 19046-1:2017
$102.76
Cheese. Determination of propionic acid level by chromatography – Method by gas chromatography
| Published By | Publication Date | Number of Pages |
| BSI | 2017 | 22 |
This document specifies a method for the determination of propionic acid level in cheese, using gas chromatography.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Forewords |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Reagents |
| 10 | 6 Apparatus |
| 11 | 7 Sampling |
| 12 | 8 Preparation of test sample 9 Procedure 9.1 Extraction system 9.2 Preparation of the soap 9.3 Quantitative determination by gas chromatography 9.3.1 Calculation of response factor |
| 13 | 9.3.2 Determination of the test portion 10 Calculation and expression of results 10.1 Calculation of propionic acid in cheese 10.2 Expression of results 11 Precision 11.1 Interlaboratory test 11.2 Repeatability |
| 14 | 12 Test report |
| 15 | Annex A (informative) Example of extraction system |
| 16 | Annex B (informative) Example of GC chromatogram |
| 17 | Annex C (informative) Interlaboratory test |
| 18 | Bibliography |
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