Steel and cast iron; Determination of phosphorus content; Phosphovanadomolybdate spectrophotometric method
Описание (англ.):
The method is applicable to phosphorus contents between 0,005 and 1,5 % (m/m), provided that tungsten, niobium, tantalum and zirconium contents are not higher than 1 % (m/m) for each of these four elements and titanium content is not higher than 2 % (m/m).
CAST IRON CAST-IRON CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT IRON PHOSPHORUS SPECTROPHOTOMETRIC ANALYSIS SPECTROPHOTOMETRY STEELS CHEMICAL ANALYSIS AND TESTIN