IS 228 : Part 3 : 1987 Methods of chemical analysis of steels: Part 3 Determination of phosphorus by alkalimetric method

1 Scope

1.1 This standard (Part 3) covers method for determination ofphosphorus content of plain carbon steel and alloy steels byalkalimetric method.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 228 : Part 3 :1972 Methods for chemical analysis of steels:Part 3 Determination of phosphorus byalkalimetric method

IS 264 :1976Specification for nitric acid

IS 265 :1976Specification for hydrochloric acid

IS 1070 :1977Specification for water for general laboratoryuse