This section specifies methods for the determination of phosphorus content in zirconium oxide and hafnium oxide. This section applies to the determination of phosphorus content in zirconium oxide and hafnium oxide. Measuring range: 0.005%~0.8%.
YS/T 568.7-2008 history
2008YS/T 568.7-2008 Chemical analysis methods for zirconium oxide and hafnium oxide.Determination of phosphorus content.The reduced molybdoantimonylphosphate complex spectrophotometric method
2006YS/T 568.7-2006 Determination of phosphorus content in zirconium oxide and hafnium oxide (antimony salt-molybdenum ascorbate blue absorptiometry)