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AS 1515.3-1989
[Current]Copper Alloys, Part 3: Determination of silver content — Flame atomic absorption spectrometric methods
Sets out a flame atomic absorption spectrometric method for determining silver in copper alloys in the range 0.002 percent to 0.15 percent. It differs from the previous edition principally in changing the lower end of the application range from 0.001 percent to 0.002 percent and inclusion of new precision data to cover the application range.
Published: 11/12/1989
Pages: 3
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 Solid.
4.2.1 High purity copper
4.3 Solutions.
4.3.1 Nitric acid (1 + 1)
4.3.2 Mercury(II) nitrate solution (10 g/L)
4.4 Standard solutions
4.4.1 Standard silver solution (1 mL ≡ 1 mg Ag).
4.4.2 Standard silver solution (1 mL ≡ 0.1 mg Ag)
5 APPARATUS
5.1 Glassware
5.2 Atomic absorption spectrometer
5.2.1 General.
5.2.2 Operating parameters
5.2.3 Performance criteria
6 SAMPLING
7 PROCEDURE
7.1 Blank test
7.2 Check test
7.3 Calibration
7.3.1 Silver contents from 0.002% to 0.05%
7.3.2 Silver contents from 0.02% to 0.15%
7.4 Dissolution of the test sample
7.4.1 Silver contents from 0.002% to 0.05%
7.4.2 Silver contents from 0. 02% to 0.15%
7.5 Atomic absorption measurement
7.5.1 Calibration solutions
7.5.2 Test solution
8 CALCULATION
9 PRECISION
10 ACCEPTANCE OF ANALYTICAL VALUES
10.1 Single determination
10.2 Replicate determinations
10.3 Acceptance of reference material results
11 TEST REPORT
Cited references in this standard
[Current]
Recommended practice for chemical analysis by atomic absorption spectrometry, Part 1: Flame atomic absorption spectrometry
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