BS ISO 15661:2020
$102.76
Copper and nickel sulfide ores and concentrates. Determination of total chlorine content. Alkaline fusion and potentiometric titration method
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 22 |
This document specifies an analytical method for the determination of total chlorine content using alkaline fusion and potentiometric titration.
This method is applicable to copper and nickel sulfide ores and concentrates having chlorine content in the following ranges:
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Method 1: 80 µg/g to 4 300 µg/g
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Method 2: 70 µg/g to 4 300 µg/g
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions |
| 8 | 4 Principle 5 Reagents |
| 10 | 6 Apparatus 7 Instrument operating parameters 8 Sample 8.1 Laboratory sample |
| 11 | 8.2 Test sample 9 Procedure 9.1 Number of blank testing 9.2 Number of determinations 9.3 Determination 9.3.1 General 9.3.2 Decomposition of the test portion by fusion with a mixture of carbonate salts |
| 12 | 9.3.3 Decomposition of the test portion by fusion with a mixture of potassium salts |
| 13 | 9.3.4 Oxidation of sulfide 9.3.5 Preparation of solution for titration 9.3.6 Potentiometric titration |
| 14 | 10 Expression of results |
| 15 | 11 Precision and accuracy 11.1 Expression of precision |
| 16 | 11.2 Method for obtaining the final result 11.3 Precision between laboratories |
| 17 | 11.4 Check of trueness |
| 18 | 12 Test report |
| 19 | Annex A (informative) Procedure for the preparation and determination of the mass of a predried test portion |
| 21 | Annex B (normative) Flow chart of the procedure for the acceptance of analytical values for test samples |
