BS EN ISO 10927:2011
$142.49
Plastics. Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)
| Published By | Publication Date | Number of Pages |
| BSI | 2011 | 24 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | 4 Principle |
| 11 | 5 Reagents 5.1 Matrices 5.2 Solvents 5.3 Salts 5.4 Molecular mass standards 6 Apparatus 6.1 General 6.2 Sample introduction chamber/target |
| 12 | 6.3 Laser source 6.4 Flight tube |
| 13 | 6.5 Detector 6.6 Data recording 6.7 Data handling 7 Procedure 7.1 General 7.2 Sample preparation 7.2.1 General 7.2.2 Preparation of polymer/matrix/salt solutions |
| 14 | 7.2.3 Deposition of the sample on the sample plate (target) 7.2.3.1 General 7.2.3.2 Hand-spotting (air-dried droplet technique) 7.2.3.3 Spray technique 7.2.3.4 Grinding (solvent-less preparation) 7.2.4 Preparation and spotting of biopolymer/matrix solutions 7.3 Instrument settings |
| 15 | 7.4 Recording spectra |
| 16 | 8 Data acquisition and processing 8.1 General 8.2 Calibration 8.2.1 General 8.2.2 Calibration of mass axis using synthetic-polymer standards 8.2.2.1 Selection of standards 8.2.2.2 Sample preparation 8.2.3 Calibration of mass axis using biopolymer standards 8.2.4 Self-calibration method |
| 17 | 8.3 Generation of calibration curve 8.4 Signal intensity axis calibration 9 Expression of results 9.1 Calculation of molecular mass distribution 9.2 Calculation of the average molecular masses 10 Precision |
| 18 | 11 Test report |
