BS ISO 19929:2017
$142.49
Plastics. Determination of average molecular mass and mixture ratio of poly(ethylene glycol) and its derivatives by MALDI-TOF-MS
Published By | Publication Date | Number of Pages |
BSI | 2017 | 24 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
6 | Foreword |
7 | Introduction |
9 | 1 Scope 2 Normative references 3 Terms and definitions |
11 | 4 Principles 5 Reagents |
12 | 6 Apparatus |
13 | 7 Procedure 7.1 General 7.2 Sample preparation 7.2.1 General |
14 | 7.2.2 Preparation of polymer standard mixtures 7.2.3 Preparation of polymer/matrix/salt solutions 7.2.4 Deposition of the sample on the sample plate (target) |
15 | 7.2.5 Preparation of biopolymer/matrix solutions 7.3 Instrument settings |
16 | 7.4 Spectra recording 8 Data acquisition and processing 8.1 General 8.2 Calibration of mass axis 8.2.1 General |
17 | 8.2.2 Calibration of mass axis using synthetic polymer standards 8.2.3 Calibration of mass axis using biopolymer standards 8.2.4 Self-calibration method 8.3 Generation of mass calibration curve 8.4 Calibration of intensity axis |
18 | 9 Expression of results 9.1 Calculation of molecular mass distribution (MMD) 9.2 Calculation of the number-average molecular mass 9.3 Calculation of peak area 9.4 Constructing calibration curve for intensity |
19 | 9.5 Calculation of mass ratio 10 Precision 11 Test report 11.1 General 11.2 Apparatus 11.3 Calibration 11.4 Results |
20 | Annex A (normative) Calibrants |
21 | Bibliography |