BS EN ISO 16014-5:2012
$167.15
Plastics. Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography – Method using light-scattering detection
| Published By | Publication Date | Number of Pages |
| BSI | 2012 | 36 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 7 | Foreword |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | 4 Symbols 5 Principle 5.1 SEC 5.2 Light-scattering SEC 6 Reagents 6.1 Eluent |
| 11 | 6.2 Reagent for column evaluation 6.3 Calibration standards 6.4 Reagent for flow rate marker 6.5 Additives 7 Apparatus 7.1 General |
| 12 | 7.2 Eluent reservoir 7.3 Pumping system 7.4 Injector 7.5 Columns |
| 13 | 7.6 Detector 7.7 Tubing 7.8 Temperature control 7.9 Recorder and plotter 7.10 Data-processing system 7.11 Other components 8 Procedure 8.1 Preparation of calibration solutions 8.2 Preparation of a solution for determining the L‑point 8.3 Preparation of sample solutions |
| 14 | 8.4 Preparation of solutions for column performance evaluation 8.5 Setting up the apparatus 8.6 Operating parameters 8.7 Number of determinations 9 Calibration 9.1 Calibration of concentration-sensitive detector and light-scattering detector |
| 16 | 9.2 Determination of delay volume 9.3 Normalization of detector sensitivity 9.4 Determination of refractive index increment 10 Data acquisition and processing 10.1 Data acquisition 10.2 Evaluation of data and correction of chromatograms |
| 17 | 10.3 Data processing |
| 18 | 11 Expression of results 11.1 Calibration curve |
| 20 | 11.2 Calculation of average molecular mass 11.3 Differential molecular mass distribution curve 11.4 Cumulative molecular mass distribution curve |
| 21 | 12 Precision 13 Test report 13.1 General 13.2 Apparatus and measurement parameters 13.3 Calibration of the system |
| 22 | 13.4 Calibration curve 13.5 Results |
| 23 | Annex A (informative) Round-robin test |
| 25 | Annex B (informative) Information on light scattering |
| 29 | Annex C (informative) Calibration curve in low molecular mass range |
| 31 | Bibliography |
