BSI 22/30444537 DC 2022
$13.70
BS EN ISO 11337. Plastics. Polyamides. Determination of e-caprolactam and w-laurolactam by gas chromatography
Published By | Publication Date | Number of Pages |
BSI | 2022 | 17 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
6 | Foreword |
7 | 1 Scope 2 Normative references 3 Terms and definitions 4 Method A: Extraction method 4.1 Principle |
8 | 4.2 Reagents 4.3 Apparatus and materials |
9 | 4.4 Preparation of test sample |
10 | 4.5 Procedure 4.5.1 Test portion 4.5.2 Extraction 4.5.3 Preparation of internal-standard solution 4.5.4 Preparation of sample solution 4.5.5 Preparation of calibration solution 4.5.6 Gas-chromatographic analysis of sample and calibration solutions |
11 | 4.5.7 Evaluation of gas chromatographic peaks 4.6 Expression of results 4.7 Precision |
12 | 4.8 Test report 5 Method B: Dissolution method 5.1 Principle 5.2 Reagents |
13 | 5.3 Apparatus |
14 | 5.4 Preparation of internal-standard solutions 5.4.1 General 5.4.2 Internal standard for unextracted polyamide 6 5.4.3 Internal standard for extracted polyamide 6 5.4.4 Internal standard for polyamide 12 5.4.5 Preparation of calibration solutions |
15 | 5.4.6 Calibration |
16 | 5.5 Procedure 5.5.1 Preparation and injection of sample solution 5.5.2 Evaluation of gas-chromatographic peaks 5.5.3 Solvent recovery 5.6 Expression of results |
17 | 5.7 Precision 5.8 Test report |