Methods for chemical analysis of crude selenium-Part 3:Determination of selenium content-The gravimetric method by reduction of hydroxylamine hydrochloride and sodium thiosulfate titration
Methods for chemical analysis of anode copper-Part 3: Determination of tin, iron, arsenic, antimony,bismuth, lead, zinc and nickel contents-Inductively coupled plasma-atomic emission spectrometry
Methods for chemical analysis of copper matte—Part 8:Determination of arsenic content—Hydride generation-atomic fluorescence spectrometry、silver diethyldithiocarbamate spectrophotometry and potassium bromate titrimetry