Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sample
   6.1 Test sample
   6.2 Test portion
7 Procedure
   7.1 Number of determinations
   7.2 Blank test
   7.3 Dissolution of test portion
   7.4 Separation of arsenic, antimony, tin, selenium
       and silver
   7.5 Copper separation
       7.5.1 Sulfide separation
       7.5.2 Hydroxide separation
   7.6 Electrolytic deposition
   7.7 FAAS determination of copper in the electrolyte, filter
       residues and sulfide precipitates
       7.7.1 FAAS determination of copper in the filtrate of
             the sulfide precipitation
       7.7.2 Treatment of hydroxide precipitate in sulfide
             separation
       7.7.3 FAAS determination of copper in the electrolyte,
             filter residues and precipitates (sulfide separation
             method)
   7.8 FAAS determination of copper in the electrolyte,
       filter residues and precipitates (hydroxide
       separation method)
8 Expression of results
9 Precision
   9.1 Expression of precision
   9.2 Method for obtaining the final result (see Annex B)
   9.3 Precision between laboratories
   9.4 Check of trueness
       9.4.1 Type of certified reference material (CRM) or
             reference material (RM)
10 Test report
Annex A (normative) Procedure for the preparation and
                      determination of the mass of a
                      predried test portion
Annex B (normative) Flowsheet of the procedure for the acceptance
                      of analytical values for test samples
Annex C (informative) Derivation of precision equations