methanol-acetone-benzene extract 甲醇
benzene alcohol extract method 苯醇抽提法
Extract with benzene 苯萃取可溶性砷
Mainly used for the absorption agent of benzene etc. in coking gas; extract methyl naphthalene and acenaphthylene etc.
主要用于吸收焦炉煤气中的苯族烃以及提取甲基萘，苊等。
METHOD AB 8 resin was treated with alcohol and propanone and the extract was detected for the content of the residues of benzene, methylbenzene, xylene and styrene.
方法取ab - 8树脂分别经乙醇、丙酮处理前后的浸出液及经树脂吸附后的栀子洗脱液，以气相色谱法检测其中苯、甲苯、二甲苯、苯乙烯残留物的含量。
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