2020GB/T 6730.82-2020 Iron ores—Determination of barium content—EDTA titrimetric method
2018GB/T 6730.52-2018 Iron ores.Determination of cobalt content.Flame atomic absorption spectrometric method
2017GB/T 6730.42-2017 Iron ores—Determination of lead content—Dithizone spectrophotometric method
2016GB/T 6730.72-2016 Iron ores.Determination of arsenic, chromium, cadmium, lead and mercury content.Inductively coupled plasma-mass spectrometry method (ICP-MS)
2013GB/T 6730.32-2013 Iron ores.Determination of vanadium content.The ammonium ferrous sulfate titrimetric method
2004GB/T 6730.52-2004 Iron ores-Determination of cobalt content-Flame atomic absorption spectrometric method
1986GB/T 6730.41-1986 Methods for chemical analysis of iron ores--The oscilloscopic polarography method for the determination of lead content