Solvent front detection method and manufacture
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United States of America Patent
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-
Jun 9, 1981
Grant Date -
N/A
app pub date -
Sep 13, 1979
filing date -
Sep 13, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved method of thin layer chromatography and articles are provided for the detection of drugs involving extraction, concentration, transfer to a disc, development and detection. The method employs lipophilic dye containing disc shaped inserts impregnated with analytes or one or more standards. The discs are inserted in corresponding hollows on a thin layer chromatographic plate and eluted with a suitable solvent. As the solvent migrates, the dye is eluted from the disc and migrates as a spot with the solvent front which is thus visually developed with the dye.
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