BS ISO 13313:2017:1969 Edition
$142.49
Iron ores. Determination of sodium. Flame atomic absorption spectrometric method
| Published By | Publication Date | Number of Pages |
| BSI | 1969 | 24 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle |
| 8 | 5 Reagents 6 Apparatus |
| 10 | 7 Sampling and samples 7.1 Laboratory sample 7.2 Preparation of predried test samples 8 Procedure 8.1 Number of determinations 8.2 Test portion 8.3 Blank test and check test |
| 11 | 8.4 Determination 8.4.1 General 8.4.2 Decomposition of the test portion 8.4.3 Treatment of the solution 8.4.4 Preparation of the set of calibration solutions |
| 12 | 8.4.5 Adjustment of atomic absorption spectrometer 8.4.6 Atomic absorption measurements 9 Expression of results 9.1 Calculation of mass fraction of potassium |
| 13 | 9.2 General treatment of results 9.2.1 Repeatability and permissible tolerance 9.2.2 Determination of analytical result 9.2.3 Between-laboratories precision |
| 14 | 9.2.4 Check for trueness |
| 15 | 9.2.5 Calculation of final result 9.3 Oxide factor 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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ISO 13313:2017
Iron ores — Determination of sodium — Flame atomic absorption spectrometric method Published By Publication…
