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                       TLC and HPTLC

12 sampling modes

sampling modes

Figure 12 : This elegant sampling concept from David Fenimore
is unfortunately no longer commercially available. It allows to concentrate extracts and stamps the concentrate into the HPTLC plate at most accurate position. An added focussing step would optimize this sampling concept. It allows mass analysis of even air sensitive extracts - example: body fluid extracts. The Poly Fluoren foil is however not in easy reach.

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