方法：采用顶空气相色谱法。
目的建立测定非洛地平原料药中有机残留溶剂的顶空气相色谱法。
Objective to determine organic solvent residual volume in felodipine raw material by headspace gas chromatography.
方法采用顶空气相色谱法对树脂残留物正己烷、苯、甲苯、二甲苯、苯乙烯进行检测。
METHODS Headspace GC was used to determine the skellysolve B, benzene, methylbenzene, styrene in Peristrophe baphica extraction.
采用顶空气相色谱法，用DB - FFAP大口径毛细管柱，以正丙醇为内标进行定量。
Using methods which headspace analysis with DB-FFAP wide bore capillary column and n-propanol as the internal standard.
再采用顶空气相色谱法检测所得苹果多酚纯化物中正己烷、苯、甲苯、对二甲苯、邻二甲苯、苯乙烯等有机溶剂残留均低于检测限。
There were not n-hexane, benzene, toluene and xylene, o-xylene, styrene and other organic solvent residue in the purification of apple polyphenol by the headspace gas chromatograph.
再采用顶空气相色谱法检测所得苹果多酚纯化物中正己烷、苯、甲苯、对二甲苯、邻二甲苯、苯乙烯等有机溶剂残留均低于检测限。
There were not n-hexane, benzene, toluene and xylene, o-xylene, styrene and other organic solvent residue in the purification of apple polyphenol by the headspace gas chromatograph.
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