BS ISO 23201:2015
$167.15
Aluminium oxide primarily used for production of aluminium. Determination of trace elements. Wavelength dispersive X-ray fluorescence spectrometric method
| Published By | Publication Date | Number of Pages |
| BSI | 2015 | 44 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references |
| 10 | 3 Principle 4 Reagents and materials |
| 11 | 5 Apparatus |
| 13 | 6 Sampling and samples 7 Procedure 7.1 General |
| 14 | 7.2 Preparation of calibration specimens 7.2.1 Determination of loss of mass on fusion of flux and flux correction 7.2.2 Preparation of intermediate calibration glass (ICG) |
| 15 | 7.2.3 Preparation of the synthetic calibration disk (SCD) |
| 17 | 7.2.4 Preparation of the blank calibration discs 7.3 Preparation of the sample discs |
| 18 | 7.4 X-ray fluorescence measurement 7.4.1 General instrumental conditions |
| 19 | 7.4.2 Guidelines for instrument optimization 7.4.3 Sample loading 7.4.4 Monitor disc: correction for instrumental drift |
| 20 | 7.4.5 Measurements for calibration |
| 21 | 7.4.6 Measurement of test discs 8 Calculations 8.1 Calculation of net intensity |
| 22 | 8.2 Comparison of duplicate measurements for the Al2O3 blanks and Synthetic Calibration Discs (SCDs) 8.2.1 SCDs criteria for the acceptability of duplicate measurements 8.2.2 Al2O3 blanks criteria for the acceptability of duplicate measurement |
| 23 | 8.3 Drift correction of measured intensities 8.4 Calculation of the calibration parameters |
| 24 | 9 Consistency checks and reporting results 10 Precision |
| 25 | 11 Accuracy 12 Quality assurance and control 13 Test report |
| 27 | Annex A (informative) Contamination issues and care of platinum ware |
| 29 | Annex B (normative) Example of instrument optimization |
| 33 | Annex C (informative) Calculation of reagent masses for different sample/flux combinations and synthetic calibration discs when omitting some elements |
| 35 | Annex D (informative) Preparation of monitor disc |
| 37 | Annex E (informative) Interlaboratory test program analysis of NIST 699 and ASCRM 27 smelter grade alumina, certified reference materials |
| 39 | Annex F (informative) Comments on flux purity |
| 40 | Bibliography |
