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                       TLC and HPTLC

40 HPLC-peak to AMD

HPLC-peak to AMD

Figure 40 : The combined use of column chromatography plus
planar chromatography is very much better than any HPLC / MS / MS concept. Much more economical, much more powerful for even utmost complicated separation. Well: finally MS may be necessary but on the plate only after a cut-separation is finished and the mobile phases completely removed.

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