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AS 1671.4-1988
[Current]Lead and lead alloys, Part 4: Determination of tin in antimonial lead — Flame atomic absorption spectrometric method
Sets out a flame atomic absorption spectrometric method for the determination of tin in antimonial lead in the range 0.01 to 0.05 percent in the presence of up to 1 percent antimony.
Published: 05/04/1988
Pages: 3
Table of contents
Cited references
Content history
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
5.2.2
5.2.3 Ammonium fluoride
5.3 Solutions
5.3.1 Nitric acid (ϱ20 1.42 g/mL)
5.3.2 Ammonium fluoride solution (20 g/L)
5.4 Standard solution
5.4.1 Standard tin solution (1 mL ≡ 1 mg Sn)
6 APPARATUS
6.1 Glassware
6.2 Atomic absorption spectrometer
7 SAMPLING
8 PROCEDURE
8.1 Number of determinations
8.2 Blank test
8.3 Check test
8.4 Dissolution of test sample
8.5 Preparation of calibration solutions
8.6 Atomic absorption measurement
8.6.1 Calibration solutions
8.6.2 Test solution
9 CALCULATION
10 PRECISION
11 ACCEPTANCE OF ANALYTICAL VALUES
11.1 Single test sample
11.2 Replicate determinations
11.3 Acceptance of reference material values
12 TEST REPORT
Cited references in this standard
[Superseded]
Code of practice for the chemical analysis of materials by flame atomic absorption spectroscopy
[Withdrawn]
Chemical analysis — Interlaboratory test programs — For determining precision of analytical method(s) — Guide to the planning and conduct
Content history
AS 1671.4-1988 Rec:2016
DR 87008
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