This standard specifies the method for the determination of manganese in titanium sponge. This standard applies to the determination of the amount of manganese in titanium sponge. Measuring range: 0.005% to 0.10%.
GB/T 4698.20-1996 history
2017GB/T 4698.4-2017 Methods for chemical analysis of titanium sponge,titanium and titanium alloys.Part 4:Determination of manganese content.Potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry
1996GB/T 4698.20-1996 Sponge titanium, titanium and titanium alloys--Determination of manganese content--Potassium periodate spectrophotometric method
GB/T 4698.20-1996 Sponge titanium, titanium and titanium alloys--Determination of manganese content--Potassium periodate spectrophotometric method was changed to GB/T 4698.4-2017 Methods for chemical analysis of titanium sponge,titanium and titanium alloys.Part 4:Determination of manganese content.Potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry.