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AS 1515.1-1994
[Current]Copper alloys, Part 1: Determination of lead in copper alloys (flame atomic absorption spectrometric method)
Specifies a flame atomic absorption spectrometric method for the determination of lead content between 0.01 percent and 10 percent in copper alloys containing a maximum of 10 percent aluminium, 80 percent copper, 5 percent iron, 5 percent manganese, 40 percent nickel, 3 percent silicon, 10 percent tin and 40 percent zinc.
Published: 19/09/1994
Pages: 6
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 Solutions
4.2.1 Nitric acid (50% V/V)
4.2.2 Hydrofluoric acid (40% M/V)
4.2.3 Boric acid (3% M/V)
4.2.4 Standard lead solution (1 mL ≡ 0.001 g Pb)
5 APPARATUS
5.1 Atomic absorption spectrometer
5.2 Volumetric glassware
5.3 Plasticware
6 SAMPLING
7 PROCEDURE
7.1 Number of determinations
7.2 Blank test
7.3 Check test
7.4 Instrument settings
7.4.1 Wavelength
7.4.2 Flame
7.4.3 Minimum absorbance
7.5 Calibration
7.5.1 Lead contents below 0.4%
7.5.2 Lead contents greater than 0.4%
7.6 Test procedure
7.6.1 Lead contents below 0.4%
7.6.2 Lead content 0.4%–5.0%
7.6.3 Lead content 5.0%–10%
8 CALIBRATION GRAPHS
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
[Current]
Recommended practice for chemical analysis by atomic absorption spectrometry, Part 1: Flame atomic absorption spectrometry
[Current]
Copper and copper alloys — Sampling for chemical and spectrochemical analysis, and physical testing
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