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why we use sodium salicylate in uv light calibration at TLC
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Sodium salicylate has 4 double bonds in its structure.due to this conjugated double bond system,it shows clear spot at shorter wavelength(254nm)and longer wavelength(365nm) in UV cabinet calibration for TLC.
Thanks,
B.Gangatharan.
Caplin point,
Puducherry.
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