Melting seal packaging,a transparent window makes the sorbent seeable.
融合封装，可以通过透明窗观察
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.
采用硅镁和硅胶作,建立了固相萃取-高效液相色谱法同时测定苹果中残留的克菌丹和
菌丹的分析方法。
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.
用大孔树脂为的色谱方法在分离的过程中仅需要简单的溶-Ⅱ,分离出的单一组分剑
元占粗元的比率高达70%以上。
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.
研究用硅胶、大孔树脂Ⅰ作为的柱色谱的分离效果。
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