BS EN ISO 4946:2016
$102.76
Steel and cast iron. Determination of copper. 2,2′-Biquinoline spectrophotometric method
| Published By | Publication Date | Number of Pages |
| BSI | 2016 | 18 |
This International Standard specifies a spectrophotometric method for the determination of copper in steel and cast iron by 2,2’-biquinoline.
The method is applicable to the determination of copper mass fraction in the range of 0,02 % and 5 %.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | European foreword |
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Principle 4 Reagents |
| 8 | 5 Apparatus 6 Sampling |
| 9 | 7 Procedure 7.1 Test portion 7.2 Blank test 7.3 Determination 7.3.1 Preparation of the test solution 7.3.2 Colour development |
| 10 | 7.3.3 Preparation of the compensating solution 7.3.4 Spectrophotometric measurement 7.4 Establishment of the calibration graph 7.4.1 Preparation of the calibration solutions 7.4.2 Spectrophotometric measurement 7.4.3 Calibration graph |
| 11 | 8 Expression of results 9 Precision 9.1 General |
| 12 | 9.2 Repeatability 9.3 Reproducibility 10 Test report |
| 13 | Annex A (informative) Additional information on the international interlaboratory test |
| 14 | Annex B (informative) Graphical representation of precision data |
| 15 | Bibliography |
