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AS 1696.1-1987
[Current]Copper, Part 1: Determination of phosphorus — Spectrophotometric method
Sets out a spectrophotometric method for the determination of phosphorus in the range 0.003 to 0.05 percent in copper. The method has been found to be satisfactory for deoxidized copper containing up to 0.01 percent silver. The method represents a revision of AS 1696.1-1974.
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 Pure copper
5.3 Solutions
5.3.1 Hydrochloric acid-nitric acid mixture
5.3.2 Hydrogen peroxide
5.3.3 Ammonium vanadate solution (2.5 g/L)
5.3.4 Ammonium molybdate solution (100 g/L)
5.4 Standard solution
5.4.1 Standard phosphorus solution (1 mL ≡ 0.1 mg P)
6 APPARATUS
6.1 Glassware
6.2 Spectrophotometric practice
6.3 Spectrophotometer
6.4 Cells
7 SAMPLING
8 PROCEDURE
8.1 Blank test
8.2 Check test
8.3 Determination
8.4 Spectrophotometric measurement
8.5 Calibration
9 REPRODUCIBILITY
10 ACCEPTANCE OF ANALYTICAL VALUES
11 TEST REPORT
Cited references in this standard