Page 49 - Applied Pharmacognosy
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Types of Chemical markers
How to develop TLC method?
• Step 3: Apply sample and standard solutions apply a volume of
(2-8 µl) using glass capillary tube or
microsyringe or automatic applicator near one end of the layer.
• Step 4: Develop the chromatogram in a suitable mobile phase
• Step 5: Detect (or visualize) the resolved spots.
methods for visualization: