| 摘要 |
1532083 Treating tobacco AMF INC 18 March 1976 [19 June 1975] 10948/76 Heading A2C To remove lipids from tobacco, the tobacco is washed first with water alone and then with a mixture of water and a water soluble organic solvent, the mixture containing at least 15% by volume of water. The solvent is preferably an alkanol such as ethanol or isopropanol. |
