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See Chinese contents: GB/T 6730.87-2023 GB/T 6730.87-2023: Iron ores - Determination of total iron and other multi-element content - Wavelength dispersive X-ray fluorescence spectrometry (cobalt internal standard method)
This document specifies the use of wavelength dispersive X-ray fluorescence spectrometry (cobalt internal standard method) for the determination of all iron, silicon, aluminum, calcium, magnesium, manganese, titanium, vanadium, phosphorus, copper, lead, chromium, zinc, arsenic, potassium and sulfur content. This document is applicable to the determination of the following elements in iron ore, iron concentrate, sinter and pellets. The measurement range is shown in Table 1. Table 1 -- Measurement range
