COMPARATIVELY little use has been made of paper chromatography for micro or semimicro preparative purposes. A difficulty encountered in such work is that of applying relatively large quantities of ...
SINCE the technique of paper partition chromatography is generally inapplicable to fat-soluble substances, we have investigated the use of alumina impregnated filter paper for this purpose. We have ...
As the holidays draw near, many of us will hop on a plane to visit friends and family – or just get away from it all. Some will be subjected to a swab at the airport to test clothes and baggage for ...
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