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See Chinese contents: GB/T 6730.72-2016 GB/T 6730.72-2016: Iron ores -- Determination of arsenic, chromium, cadmium, lead and mercury content -- Inductively coupled plasma-mass spectrometry method (ICP-MS)
This Part of GB/T 6730 specifies the method for the determination of arsenic, chromium, cadmium, lead, mercury in iron ore, by inductively coupled plasma mass spectrometry (ICP-MS). This Part applies to natural iron ore, iron concentrate, sinter and pellets. The measurement range is as shown in Table 1. Table 1 -- Scope of application of this method Elements to be measured Content range/(¦Ìg/g) Chromium 1.8 ~ 244 Arsenic 2.4 ~ 570 Cadmium 0.05 ~ 10 Mercury 1.9 ~ 10 Lead 0.3 ~ 3170
