青云翻译

TLC of the sample solution and expand the system can be similar to the polar solvent to prepare;

Sample solution available for thin-layer chromatography of preparation and to expand the system of a similar polarity solvents;

The thin layer chromatograph sample solution available and launches the system polarity close solvent to prepare;

Samples of the thin layer chromatogram solution available and expand System is very similar to the solvent preparing;

Sample solution available for thin-layer chromatography of preparation and to expand the system of a similar polarity solvents;