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Well sucker-rod pumps. General technical requirements

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Lead concentrates. Determination of antimony. Photometric method

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Iron ores, concentrates, agglomerates and pellets. Method for the determination of degree of homogeneity on chemical and granulometric composition

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Raremetallic concentrates. Spectral methods of the determination of alumina, barium, iron, calcium, silicon, magnum, niobium, tantalum, titanium, zirconium and chromium oxide

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Sodium chlorate for industrial use. Determination of moisture. Gravimetric method

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Essential oils. Analysis by gas chromatography on chiral capillary columns. General method

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