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Bismuth concentrate. Atomic absorption method for determination of gold
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Solid mineral fuel. Determination of extractable metals in dilute hydrochloric acid
Document status: Cancelled
Raremetallic concentrates. Spectral methods of the determination of alumina, barium, iron, calcium, silicon, magnum, niobium, tantalum, titanium, zirconium and chromium oxide
Document status: Active
Zinc concentrates. Method for the determination of sulphur
Document status: Active