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BS ISO 13546:2021

BS ISO 13546:2021

$102.76

Copper concentrates. Determination of mercury content. Cold vapour atomic absorption spectrometric method

Published By Publication Date Number of Pages
BSI 2021 18
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This document specifies an acid digestion and vapour generation atomic absorption spectrometric method for the determination of the mercury content in copper sulfide concentrates.

This document is applicable to mass fraction of mercury between 5 µg/g and 65 µg/g in copper sulfide concentrates.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Principle
5 Reagents
9 6 Apparatus
10 7 Sampling and sampling preparation
7.1 Test sample
7.2 Test portion
8 Procedure
8.1 Number of determinations
8.2 Blank test
11 8.3 Dissolution of the test portion
8.4 Storage of digested solutions
8.5 Preparation of sample solutions
8.6 Preparation of test solutions
8.7 Preparation of calibration solutions
8.8 Preparation of mercury calibration graph
12 8.9 Determination of mercury content in test solutions
9 Expression of results
10 Procedure for obtaining the final result
11 Precision
11.1 Expression of precision
13 11.2 Procedure for obtaining the final result
11.3 Precision between laboratories
14 11.4 Check of trueness
11.4.1 General
11.4.2 Type of certified reference material or reference material
11.4.3 Reference material certified or characterized by an interlaboratory test programme
11.4.4 Reference material certified or characterized by one laboratory
15 12 Test report
16 Annex A (normative) Procedure for obtaining the final results
17 Bibliography

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BS ISO 13546:2021
$102.76