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                       µ-Planar Liquid Chrom.

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14 drying foc.sampl.

24drying focused samples

Figure 14 : The spots seen in figure 13 have been focussed. The flush gas tube
sits in the 5 mm hole of the cover glass plate connected through an 5 mm PTFE tube piece. This tube does NOT touch the stationary phase layer but keeps a 1 mm distance from the layer surface. A short piece of plastic tube over the PTFE tube takes care, that the gas flush flows unhindered into the volume of the virtual TLC chamber.