Russian standards PDF

Non-metallic ore materials. Method for determination of phosphorus pentoxide mass fraction

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Non-metallic ore materials. Infra-red method for determination of moisture mass fraction

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Non-metallic ore materials. Method for determination of quartz mass fraction

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Non-metallic ore materials. Method for determination of potassium oxide and sodium oxide mass fractions

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Non-metallic ore materials. Radiometric method for determination of potassium oxide mass fraction

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Non-metallic ore materials. Method for determination of sulphur mass fraction

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