Russian standards PDF
Liquefied petroleum gases. Determination of ammonia, water and alkali
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Natural gas. Determination of carbon dioxide by detector tubes
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Biomass. Determination of the ash content by standard method
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Biomass. Determination of acid insoluble residue by standard method
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Biomass. Determination of total amount of solids by standard method
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Wood Fuels. Determination of moisture content by standard method
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