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See Chinese contents: GB/T 6730.81-2020 GB/T 6730.81-2020: Iron ores--Determination of multiple trace elements--Inductively coupled plasma mass spectrometric method
This Part of GB/T 6730 specifies the method for determining the content of multiple trace elements in iron ores by inductively coupled plasma mass spectrometric method. This Part applies to the determination of the content of lead, cadmium, arsenic, mercury, barium, cobalt, thallium, molybdenum, yttrium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, dysprosium, holmium, erbium, thulium, ytterbium elements in iron ores. The determination range is shown in Table 1. GB/T6730.81-2020 www.ChineseStandard.net ? Buy True-PDF ? Auto-delivery. Page 5 of 16 Table 1 -- Determination range
