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AS/NZS 1050.32:1994
[Current]Methods for the analysis of iron and steel, Part 32: Determination of carbon content — Infrared method
Specifies an infrared method for the determination of carbon in iron and steel after combustion in oxygen using high frequency induction heating. The method is applicable to all types of iron and steel with carbon content in the range 0.002 percent to 4.5 percent carbon.
Published: 15/08/1994
Pages: 5
Table of contents
Cited references
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Table of contents
Header
About this publication
PREFACE
1 SCOPE
2 REFERENCED DOCUMENTS
3 PRINCIPLE
4 REAGENTS
4.1 General requirements
4.2 Oxygen
4.3 Carbon dioxide absorbent
4.4 Magnesium perchlorate
4.5 Cellulose fibre
4.6 Glass wool
4.7 Accelerator
4.8 Ceramic cupulets
5 APPARATUS
5.1 Oxygen purification system
5.2 Induction furnace
5.3 Combustion gas purification train
5.4 Infrared measurement system
6 SAMPLING
7 PROCEDURE
7.1 Number of determinations
7.2 Blank test
7.3 Check test
7.4 Instrument calibration
7.5 Determination
8 CALCULATION
9 PRECISION
10 ACCEPTANCE OF ANALYTICAL VALUES
10.1 Single test sample
10.2 Replicate determinations
10.3 Acceptance of reference material values
11 TEST REPORT
Cited references in this standard
BS 4237
Report on reproducibility of methods of chemical analysis used in the iron and steel industry
[Withdrawn]
Chemical analysis — Interlaboratory test programs — For determining precision of analytical method(s) — Guide to the planning and conduct
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