Melting seal packaging,a transparent window makes the sorbent seeable.
融合封装，可以通过透明窗观察吸附剂的状态。
Melting seal packaging,a transparent window makes the sorbent seeable.
融合封装，可以通过透明窗观察吸附剂的状态。
A method for the simultaneous determination of captan and folpet pesticide residues in apples was developed by solid-phase extraction and high performance liquid chromatography.
采用硅镁吸附剂和硅
作吸附剂,建立了固相萃取-高效液相色谱法
定苹果中残留的克菌丹和
菌丹的分析方法。
A study was made of the effect of using silica gel and macroporous resin I as absorbent in column chromatography on the separation of tigogenin.
研究用硅、
树脂Ⅰ作为吸附剂的柱色谱的分离效果。
Tigogenin was separated completely from the crude sapogenins by macroporous resin column chromatography,only simple solvent Ilelute was used in the column of the separate process.
用树脂为吸附剂的色谱方法在分离的过程中仅需要简单的溶剂-Ⅱ,分离出的单一组分剑麻皂甙元占粗皂甙元的比率高达70%以上。
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