ISO 7530-1:2015
Nickel alloys — Flame atomic absorption spectrometric analysis — Part 1: Determination of cobalt, chromium, copper, iron and manganese
ISO 7530-1:2015 describes flame atomic absorption spectrometric methods for the determination of cobalt, chromium, copper, iron, and manganese in nickel alloys which can be dissolved in the nitric-hydrochloric acids mixture specified.
For each element, the method is applicable to the content range between 0,01 % and 4 %.
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Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling and sample preparation
7 Procedure
7.1 Test portion
7.2 Blank test
7.3 Dissolution
7.4 Determination of cobalt
7.4.1 Preparation of the test solution
7.4.2 Preparation of the calibration solutions
7.5 Determination of chromium
7.5.1 Preparation of the test solution
7.5.2 Preparation of the calibration solutions
7.6 Determination of copper
7.6.1 Preparation of the test solution
7.6.2 Preparation of the calibration solutions
7.7 Determination of iron
7.7.1 Preparation of the test solution
7.7.2 Preparation of the calibration solutions
7.8 Determination of manganese
7.8.1 Preparation of the test solution
7.8.2 Preparation of the calibration solutions
7.9 Adjustment of atomic absorption spectrometer
7.10 Spectrometric measurements
7.11 Calibration curves
7.12 Expression of results
7.13 Precision
7.13.1 General
7.13.2 Precision for cobalt
7.13.3 Precision for chromium
7.13.4 Precision for copper
7.13.5 Precision for iron
7.13.6 Precision for manganese
8 Test report
Annex A (normative) Procedures for checking the instrumental criteria
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling and sample preparation
7 Procedure
7.1 Test portion
7.2 Blank test
7.3 Dissolution
7.4 Determination of cobalt
7.4.1 Preparation of the test solution
7.4.2 Preparation of the calibration solutions
7.5 Determination of chromium
7.5.1 Preparation of the test solution
7.5.2 Preparation of the calibration solutions
7.6 Determination of copper
7.6.1 Preparation of the test solution
7.6.2 Preparation of the calibration solutions
7.7 Determination of iron
7.7.1 Preparation of the test solution
7.7.2 Preparation of the calibration solutions
7.8 Determination of manganese
7.8.1 Preparation of the test solution
7.8.2 Preparation of the calibration solutions
7.9 Adjustment of atomic absorption spectrometer
7.10 Spectrometric measurements
7.11 Calibration curves
7.12 Expression of results
7.13 Precision
7.13.1 General
7.13.2 Precision for cobalt
7.13.3 Precision for chromium
7.13.4 Precision for copper
7.13.5 Precision for iron
7.13.6 Precision for manganese
8 Test report
Annex A (normative) Procedures for checking the instrumental criteria
Bibliography