This section specifies a method for determining the phosphorus content of orthophosphate in coal mine water using phosphomolybdenum blue spectrophotometry. This section applies to the determination of orthophosphate phosphorus content in coal mine water. The phosphorus content of orthophosphate determined in this section ranges from 0.008 mg/L to 1.600 mg/L.
MT/T 743.2-2011 history
2011MT/T 743.2-2011 Determination of phosphorus in orthophosphate in mine water
1997MT/T 743.2-1997 Determination of phosphorus in phosphate in mine water