BS ISO 10258:2018
$142.49
Copper sulfide concentrates. Determination of copper content. Titrimetric methods
| Published By | Publication Date | Number of Pages |
| BSI | 2018 | 28 |
This document specifies two titrimetric methods for the determination of the copper content of copper sulfide concentrates in the range 15 % (m/m) to 50 % (m/m), using sodium thiosulfate after separation (method 1) or without separation (method 2) of copper from interfering elements.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 4.1 Method 1 (Long iodide method) 4.2 Method 2 (Short iodide method) |
| 8 | 5 Reagents |
| 10 | 6 Apparatus 7 Sample 7.1 Test sample 7.2 Test portion 8 Procedure 8.1 Number of determinations |
| 11 | 8.2 Blank test 8.3 Determination — Method 1: Long iodide method 8.3.1 Decomposition of test portion 8.3.2 Separation of copper |
| 12 | 8.3.3 Dissolution of copper precipitate 8.3.4 Titration 8.3.5 FAAS determination of copper in the insoluble residue, filtrate, and filter paper |
| 13 | 8.4 Determination — Method 2: Short iodide method 8.4.1 Decomposition of the test portion 8.4.2 Titration |
| 14 | 9 Expression of results 10 Precision 10.1 Expression of precision |
| 15 | 10.2 Method for obtaining the final result (see Annex B) 10.3 Precision between laboratories |
| 16 | 10.4 Check of trueness |
| 17 | 11 Test report |
| 18 | Annex A (informative) Procedure for the preparation and determination of the mass of a predried test portion |
| 20 | Annex B (normative) Flowsheet of the procedure for the acceptance of analytical values for test samples |
| 21 | Annex C (informative) Derivation of precision formulae |
| 26 | Bibliography |
