GB/T 4698.9-2017 Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 9:Determination of tin content—Potassium iodate titration and inductively coupled plasma atomic emission spectrometry (English Version)
2017GB/T 4698.9-2017 Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 9:Determination of tin content—Potassium iodate titration and inductively coupled plasma atomic emission spectrometry
1996GB/T 4698.9-1996 Sponge titanium, titanium and titanium alloys--Determination of tin content--Potassium iodate titration method