BS ISO 5418-2:2006
Current
The latest, up-to-date edition.
Iron ores. Determination of copper Flame atomic absorption spectrometric method
Hardcopy , PDF
English
04-30-2007
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling and samples
6.1 Laboratory sample
6.2 Preparation of predried test samples
7 Procedure
7.1 Number of determinations
7.2 Blank test and check test
7.3 Test portion
7.4 Determination
7.4.1 Decomposition of the test portion
7.4.2 Treatment of the solution
7.4.3 Preparation of the set of calibration
solutions
7.4.4 Adjustment of atomic absorption spectrometer
7.4.5 Atomic absorption measurements
8 Expression of results
8.1 Calculation of mass fraction of copper
8.2 General treatment of results
8.2.1 Repeatability and permissible tolerance
8.2.2 Determination of analytical result
8.2.3 Between-laboratories precision
8.2.4 Check for trueness
8.2.5 Calculation of final result
8.3 Oxide factor
9 Test report
Annex A (normative) Flowsheet of the procedure for the
acceptance of analytical values for test samples
Annex B (informative) Derivation of repeatability and
permissible tolerance equations
Annex C (informative) Precision data obtained by
international analytical trials
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