Empty Jam Bottle or QualitativeTLC Tank Qualilative TLC i s very impurmnt in synthetic chemistry. and it i? often not pos-ible to provide small TLC tanks to earhstudent in thelahoratory due to w r t ofthe tanks. \Ye found an inepensivcand very ens) ~ o l u t i mto the pnrhlem. The e m ~ t bottles v from iam, marmalade, pickles, etc. can be used t o salve the problem. The only precaution is to use a watch glass lnstead of the metal lid if the solvents are corrosive. Saqlb All and M. Mazhar Quaid-i-Aram University Islamabad. Pakistan
Volume 68
Number 7
July 1991
593