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AS/NZS 1050.2:1994
[Current]Methods for the analysis of iron and steel, Part 2: Determination of carbon content — Gravimetric method
Specifies a gravimetric method for the determination of carbon content between 0.05 percent and 4.5 percent in all types of iron and steel.
Published: 15/08/1994
Pages: 7
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 Manganese dioxide, for combustion analysis
4.3 Magnesium perchlorate, anhydrous
4.4 Carbon dioxide absorbent
4.5 Glass wool
4.6 Accelerator
4.7 Oxygen
4.8 Sulfuric acid
5 APPARATUS
5.1 Oxygen supply and purification train
5.2 Furnace
5.3 Combustion tube
5.4 Absorption train
5.5 Flowmeter
5.6 Combustion boats and cupulets
6 SAMPLING AND SAMPLES
7 PROCEDURE
7.1 Number of determinations
7.2 Blank test
7.3 Check test
7.4 Test portion
7.5 Determination
7.5.1 Combustion using a resistance furnace
7.5.2 Combustion using an induction furnace
8 CALCULATIONS
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
APPENDIX A
Cited references in this standard
[Withdrawn]
Chemical analysis — Interlaboratory test programs — For determining precision of analytical method(s) — Guide to the planning and conduct
BS 4237
Report on reproducibility of methods of chemical analysis used in the iron and steel industry
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