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Sealing planar device

The introduction of the sample into the adsorbent layer is a critical process in HPTLC. For most quantitative work a platinum-iridium capillary of fixed volume (100 or 200 nL), sealed into a glass support capillary of larger bore, provides a convenient spotting device. The capillary tip is polished to provide a smooth, planar surface of small area (ca 0.05 mm2), which when used with a mechanical applicator minimises damage to the surface of the plate spotting by manual procedures invariably damages the surface. [Pg.232]

See other pages where Sealing planar device is mentioned: [Pg.65]    [Pg.179]    [Pg.26]    [Pg.373]    [Pg.612]    [Pg.126]    [Pg.19]    [Pg.39]    [Pg.19]    [Pg.21]    [Pg.136]    [Pg.425]    [Pg.1385]    [Pg.19]    [Pg.79]    [Pg.178]    [Pg.101]    [Pg.1255]    [Pg.244]    [Pg.766]    [Pg.2679]    [Pg.303]    [Pg.303]    [Pg.1313]    [Pg.1616]    [Pg.146]    [Pg.4]    [Pg.784]    [Pg.269]    [Pg.149]    [Pg.148]   
See also in sourсe #XX -- [ Pg.179 ]



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Planar devices

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