GB/T 4698.18-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 18:Determination of tin content—Flame atomic absorption spectrometry (English Version)
2017GB/T 4698.18-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 18:Determination of tin content—Flame atomic absorption spectrometry
1996GB/T 4698.18-1996 Sponge titanium, titanium and titanium alloys--Determination of tin content--Flame atomic absorption spectrometric method