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AS ISO 19976.2:2020
$109.95
Copper, lead and zinc sulfide concentrates — Determination of cadmium, Part 2: Acid digestion and inductively coupled plasma atomic emission spectrometric method
Identically adopts ISO 19976 2:2019, specifies an acid digestion and inductively coupled plasma atomic emission spectrometric (ICP-AES) method for the determination of the mass fraction of cadmium in copper, lead and zinc sulfide concentrates.
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.10
5.11
5.12
6 Apparatus
6.1
6.2
6.3
6.4
6.5
7 Sample
7.1 Laboratory sample
7.2 Test sample
7.3 Test portion
8 Procedure
8.1 Number of determinations
8.2 Blank test
8.3 Dissolution of the test portion
8.4 Preparation of test solutions
8.5 Preparation of calibration solutions
8.6 Preparation of cadmium calibration curve
8.7 Determination of cadmium content in test solutions
9 Expression of results
10 Precision
10.1 Expression of precision
10.2 Method for obtaining the final result
10.3 Between-laboratories precision
10.4 Check of trueness
10.4.1 General
10.4.2 Type of CRM or reference material
10.4.2.1 General
10.4.2.2 Reference material certified/characterized by inter-laboratory test programme
10.4.2.3 Reference material certified/characterized by one laboratory
