Standard sample of ilmenit-magnetit ore IMJ
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Standard CuPl copper ore sample
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Standard sample of manganese ore 44-g
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Standard chromium ore sample 166-in
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Standard sample of magnesite MK
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Standard sample of iron ore Zd
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Standard sample of copper-zinc sulfide ore RUS-1
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Standard sample of copper-pyrite ore with high arsenic and antimony content RUS-2
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Standard sample of fluorite HZ
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Standard sample of polymetallic sulfide ore SG
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