ISO 9685:1991 Preview
Iron ores -- Determination of nickel and/or chromium contents -- Flame atomic absorption spectrometric method
This standard was last reviewed and confirmed in 2014. Therefore this version remains current.
The specified method applies to nickel and/or chromium contents between 0,003 % (m/m) and 0,1 % (m/m) in natural iron ores, iron ore concentrates and agglomerates, including sinter products.
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