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BSI 22/30444537 DC 2022

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
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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

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BSI 22/30444537 DC 2022
$13.70