Advice on the Ordering and Storage of Precoated Layers

Detection Direct optical evaluation under 254-nm UV light using the TLC-Scanner II (CAMAG) The scans show the following pesticides from left to right  

Hexazin, Metoxuron, Monuron, Aldicarb, Azinphos methyl, Prometryn, Pyridat, Trifluralin Sample volume 50 nl, normal chamber without chamber saturation, solvent system petroleum ether (40-60 °C) + acetonitrile (70 + 30 v/v), migration distance 7 cm. 

In this case, as with all other recommendations from the literature, the following advice applies  

Only your own work can confirm that you have obtained the resuits you were hoping for  

To have a clear picture of the storage of TLC precoated layers for routine and developmental work, and to comply with the GMP/GLP guidelines, the following method of working has been found to be satisfactory  

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