The aromatic extraction laboratory scale test taking the pure furfural as solvent was mainly introduced.
主要介绍以纯糠醛为溶剂的芳烃抽提小试实验。
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Methods 45 samples from large scale shoes plants in Fujian containing shoes mucilage and solvent were tested for acute toxicity and chemical component during 19971998.
Powered soybean lecithin of great purity is extracted by lecithin solvent fromconcentrated soybean lecithin produced from hydrated oil foot on a laboratory scale .