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.
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)
