Specifies a spectrophotometric method for the determination of the phosphorus content of iron and steel. The method is applicable to the determination of phosphorus contents between 0.005% and 2.0%, provided that the following elements are not present in amounts greater than that specified: niobium 1%, tantalum 1%, titanium 2%, tungsten 11%, zirconium 1%.
AS/NZS 1050.18:1994 history
0000 AS/NZS 1050.18:1994(R2016)
1994AS/NZS 1050.18:1994 Methods for the analysis of iron and steel - Determination of phosphorus - Spectrophotometric method