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Mine instruments for gas analysis. General requirements. Testing methods
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Marble. Method for the determination of calcium oxide and magnesium oxide, soluble in water
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Solid mineral fuel. Determination of total sulfur. High temperature combustion method
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Reagents and high purity substances. Determination of impurities of chemical elements by atomic-emission spectrometry with inductively coupled plasma
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Tin concentrates. Method for the determination of arsenic mass part
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