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AS 2347-1998
[Current]Zinc and zinc alloys — Sampling for chemical and spectrochemical analysis
Sets out methods for obtaining a representative sample of zinc and zinc alloys and procedures for the preparation of laboratory samples required for the determination of their chemical composition by both chemical and spectrochemical analyses.
Published: 05/08/1998
Pages: 11
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Table of contents
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PREFACE
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 DEFINITIONS
1.3 APPARATUS
1.3.1
1.3.2
1.3.3
1.3.4
1.3.5
1.3.6
2 SAMPLING OF MOLTEN METAL
2.1 GENERAL
2.2 PROCEDURE
2.2.1 Coating the ladle
2.2.2 Preparation for sampling
2.2.3 Taking the sample
2.3 SAMPLE QUALITY
2.3.1 General
2.3.2 Discs from book moulds
2.3.3 Discs from centre-pour moulds
2.3.4 Disc from water cooled mould
3 SAMPLING OF CAST FORMS AND WROUGHT PRODUCT
3.1 GENERAL
3.2 INGOT SAMPLING BY DRILLING
3.2.1 Single ingot
3.2.2 Multiple ingots
3.3 SAMPLING OF OTHER SHAPES
4 PREPARATION OF THE SAMPLE FOR SPECTROCHEMICAL ANALYSIS
4.1 GENERAL
4.2 PROCEDURE
4.3 ANALYSIS
4.4 DIRECT EXCITATION OF CAST FORMS
5 PREPARATION OF THE SAMPLE FOR CHEMICAL ANALYSIS
5.1 FROM DISC SAMPLES
5.2 FROM OTHER SHAPES
5.3 FROM MOLTEN METAL OR MOLTEN ALLOY
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