BS ISO 11535:2006
Current
The latest, up-to-date edition.
Iron ores. Determination of various elements. Inductively coupled plasma atomic emission spectrometric method
Hardcopy , PDF
English
31-01-2007
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 Test portion
7.3 Blank test and check test
7.4 Determination
7.4.1 Decomposition of the test portion
7.4.2 Adjustment of spectrometer
7.4.3 Measurements
8 Calculation of results
8.1 Calibration graph
8.2 Correction of spectral interference
8.3 Standardization of calibration graph
(drift correction)
8.4 General treatment of results
8.4.1 Repeatability and permissible tolerances
8.4.2 Determination of analytical result
8.4.3 Check for trueness
8.4.4 Calculation of final result
8.5 Oxide factors
9 Test report
Annex A (informative) Suggested calibration solutions
Annex B (normative) Plasma-spectrometer performance tests
Annex C (normative) Flowsheet of the procedure for the
acceptance of analytical values for test samples
Annex D (informative) Derivation of repeatability and
permissible tolerance equations
Annex E (informative) Precision data obtained by
international analytical trials
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