This part of SN/T 3319 specifies the method for the determination of phosphorus content in phosphorus iron by vanadium molybdenum yellow differential photometry. This section is applicable to the determination of phosphorus content in phosphorus iron. The determination range is: 15.00%~30.00%.
SN/T 3319.3-2013 history
2013SN/T 3319.3-2013 Ferrophosphorus for import and export.Part 3:Determination of phosphorus content in.Phosphovanoclomolybeate differential spectrophotometry