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BS ISO 10204:2017

BS ISO 10204:2017

$142.49

Iron ores. Determination of magnesium. Flame atomic absorption spectrometric method

Published By Publication Date Number of Pages
BSI 2017 24
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This document specifies a flame atomic absorption spectrometric method for the determination of the mass fraction of magnesium in iron ores.

This method is applicable to mass fractions of magnesium between 0,010 % and 2,00 % in natural iron ores, iron ore concentrates, and agglomerates, including sinter products.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
8 5 Reagents
9 6 Apparatus
10 7 Sampling and samples
7.1 Laboratory sample
7.2 Preparation of test samples
7.2.1 General
7.2.2 Method specified in ISO 2596
7.2.3 Method specified in ISO 7764
8 Procedure
8.1 Number of determinations
8.2 Test portion
11 8.3 Blank test and check test
8.3.1 Blank test
8.3.2 Check test
8.4 Determination
8.4.1 Decomposition of the test portion
8.4.2 Treatment of the residue
12 8.4.3 Preparation of the test solution
8.4.4 Adjustment of the atomic absorption spectrometer
13 8.4.5 Atomic absorption measurements
9 Expression of results
9.1 Calculation of mass fraction of magnesium
9.2 General treatment of results
9.2.1 Repeatability and permissible tolerance
14 9.2.2 Determination of analytical result
9.2.3 Between-laboratories precision
9.2.4 Check for trueness
15 9.2.5 Calculation of final result
9.3 Oxide factor
16 10 Test report
17 Annex A (normative) Flowsheet of the procedure for the acceptance of analytical values for test samples
18 Annex B (informative) Derivation of repeatability and permissible tolerance formulae
19 Annex C (informative) Precision data obtained by international analytical trials
20 Bibliography

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BS ISO 10204:2017
$142.49