BS EN ISO 9647:2022

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Steel. Determination of vanadium content. Flame atomic absorption spectrometric method (FAAS)

Published By	Publication Date	Number of Pages
BSI	2022	24

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Categories: 77.080.01 - Ferrous metals in general, BSI

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Description

This document specifies a flame atomic absorption spectrometric method (FAAS) for the determination of the vanadium content in steel. The method is applicable to vanadium contents between 0,01 % (mass fraction) and 0,80 % (mass fraction), provided that the tungsten content in a 1,0 g test portion is not higher than 1,0 % and/or the titanium content is not higher than 0,5 %.

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PDF Pages	PDF Title
2	National foreword
4	European foreword
6	Foreword
7	1 Scope 2 Normative references 3 Terms and definitions 4 Principle
8	5 Reagents 5.7.1 Preparation using vanadium metal 5.7.2 Preparation using ammonium metavanadate
9	6 Apparatus 6.1 Atomic absorption spectrometer 6.1.1 Minimum precision (see Annex C) 6.1.2 Limit of detection (see Annex C) 6.1.3 Calibration linearity (see Annex C) 6.1.4 Characteristic concentration (see Annex C)
10	6.2 Ancillary equipment 7 Sampling 8 Procedure 8.1 Test portion 8.2 Blank test 8.3 Determination 8.3.1 Preparation of the test solution 8.3.2 Preparation of the calibration solutions
11	8.3.3 Adjustment of the atomic absorption spectrometer
12	8.3.4 Spectrometric measurements
13	9 Expression of results 9.1 Use of the calibration curve 9.2 Use of bracketing method
14	10 Precision
15	11 Test report
16	Annex A (informative) Additional information on the international interlaboratory test
19	Annex B (informative) Graphical representation of precision data
20	Annex C (normative) Procedures for the determination of instrumental criteria
22	Bibliography

Additional information

Status	Definitive
Title	Steel. Determination of vanadium content. Flame atomic absorption spectrometric method (FAAS)
Corrects	BS ISO 9647:2020
Replaces	BS 6200-3.34.3:1990
Publisher	BSI
Committee	ISE/1
Pages	24
Publication Date	2022-05-18
ISBN	978 0 539 19319 0
Standard Number	BS EN ISO 9647:2022
Identical National Standard Of	ISO 9647:2020, EN ISO 9647:2022
Descriptors	Reproducibility, Vanadium, Cast-iron, Atomic absorption spectrophotometry, Determination of content, Steels, Concentration (chemical), Flame photometry, Spectrophotometry, Calibration, Testing conditions, Chemical analysis and testing
ICS Codes	77.080.01 - Ferrous metals in general

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BS EN ISO 9647:2022

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