YS/T 575.16-2006 Method for chemical analysis of bauxite ores Molybdenum blue photometric method Determination of phosphorus pentoxide (English Version)
2007YS/T 575.16-2007 Methods for chemical analysis of bauxite.Part 16:Determination of phosphorus pentoxide content.Molybdenum blue spectrophotometric method
2006YS/T 575.16-2006 Method for chemical analysis of bauxite ores Molybdenum blue photometric method Determination of phosphorus pentoxide