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AS 1671.2-1987
[Current]Lead alloys, Part 2: Determination of low concentrations of antimony in lead alloys containing not more than 2.5 percent arsenic and 0.10 percent copper — titrimetric method
Sets out a titrimetric method for the determination of antimony content in the range 0.1 to 3 percent in lead alloys containing less than 2.5 percent arsenic and 0.10 percent copper. This Standard is a new edition of AS 1671.2-1975 without major technical alterations.
Published: 04/05/1987
Pages: 3
Table of contents
Cited references
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Table of contents
Header
About this publication
PREFACE
1 SCOPE
2 APPLICATION
3 REFERENCED DOCUMENTS
4 PRINCIPLE
5 REAGENTS
5.1 General requirements
5.2 Solids
5.2.1 Antimony
5.2.2 Lead
5.2.3 Sodium sulphite (anhydrous)
5.3 Solutions
5.3.1 Hydrochloric acid (ϱ20 1.16 g/mL)
5.3.2 Sulphuric acid (ϱ20 1.84 g/mL)
5.3.3 Copper sulphate solution (5g/L)
5.3.4 Methyl orange indicator
5.4 Standard solution
5.4.1 Potassium bromate solution
6 APPARATUS
6.1 Glassware
6.2 Analytical balance
7 SAMPLING
8 PROCEDURE
8.1 Blank test
8.2 Check test
8.3 Determination
9 CALCULATION
10 PRECISION
11 ACCEPTANCE OF ANALYTICAL VALUES
12 TEST REPORT
APPENDIX A
A1 SCOPE
A2 PROCEDURE
Cited references in this standard
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