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Iron ores, concentrates, agglomerates and pellets. Methods of the determination of arsenic content
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Residual fuel oils. Test for straight-run. Method for determination of bromine number of fraction with boiling point up to 360 °C
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Niobium pentoxide. Method for the determination of phosphorus content
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Solid fuel. Methods for determination of oxygen content
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Cases of cumulative punches. Technical conditions
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