用超临界CO2从除虫菊干花中萃取的除虫菊素，这种膏状物不能直接用来加工或深加工杀虫产品。
Extracted pyrethrins from pyrethrum dried flower by super critical CO2 . is a paste called oleoresin which isn't suitable to formulate insecticidal products either use in household or crops.
超临界流体萃取作为一种新型分离技术，不能直接萃取重金属等离子型物质，但能萃取离子与配合剂反应生成的配合物。
Supercritical fluid extraction is a new extraction technique, which can't extract the ions substance such as heavy metals directly, but can extract the ions by chelating with chelating agent.
研究了微晶石蜡吸附萃取镍 -丁二酮肟络合物的条件 ，并设计了固相反射散射分光光度法直接测定石蜡相中镍含量的方法。
A reflexion scattering spectrophotometry for the adsorption and the extraction of the complex of nickel with dimethylglyoxime using microcrystalline wax have been studied.
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