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GB/T 6730.8-2016

Published

Iron ores—Determination of iron(II) content—Potassium dichromate titrimetric method

Issued: 2016-10-13
Effective: 2017-09-01

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GB/T 6730.86-2023

Published

Iron ores—Determination of radionuclides—Inductively coupled plasma-mass spectrometric method

Issued: 2023-08-06
Effective: 2024-03-01

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GB/T 6730.84-2023

Published

Iron ores—Determination of total rare earth content—Inductively coupled plasma atomic emission spectrometric method

Issued: 2023-08-06
Effective: 2024-03-01

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GB/T 6730.87-2023

Published

Iron ores—Determination of total iron and other multi-element content—Wavelength dispersive X-ray fluorescence spectrometry (cobalt internal standard method)

Issued: 2023-08-06
Effective: 2024-03-01

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