1·Tetrachloro-methane is also a common good chemical organic solvent; and often used as the extractive agent in chemical experiments.
四氯甲烷也是一种较常见的化工原料，是一种良好的有机溶剂，在化学实验中常被作为萃取剂等。
2·Study on the alcoholic fermentation using dodecanol as the extractive agent by immobilized yeast with alginic acid and polyvinyl alcohol as the mixed carrier was curried out.
以十二烷醇为萃取剂，对以海藻酸钠和聚乙烯醇混合载体固定化酒精酵母乙醇发酵进行了研究。