NF T20-816*NF ISO 8174:1987 Ethylene and propylene for industrial use. Determination of acetone, acetonitrile, propan-2-ol and methanol. Gas chromatographic method.
1987NF T20-816*NF ISO 8174:1987 Ethylene and propylene for industrial use. Determination of acetone, acetonitrile, propan-2-ol and methanol. Gas chromatographic method.