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Güven KC, Güneri T. 
“Identification of LSD and Ergot Alkaloids by Thin-Layer Chromatography.”. 
Z Anal.Chem.. 1977;283(1):32.
The identification of LSD and the ergot alkaloids ergotamine, ergometrine, ergocornine, ergocrystine and ergocryptine is described The sample was subjected to TLC on silica gel film. IF Value for the 6 substances were listed for the solvent systems benzene -ac atone - ether - 25 % NH4OH (4: 6:1:0.3 ), chlorof ormbenzene (5:4) saturated with formamide and mixed with 1 part MeOH and benzene-heptane-chloroform-NHEtz (4:2:3:1). The plates were sprayed with either a 0.3 solution of sodium i,2naphthoquinone-4-sulfonate in EtOH-H2O (1:1), which gave redpurple spots on a light pink background, or with a 0.2olution of 2-nitroso-1-naphthol, followed by i0% Hal, when (after heating) blue-black spots on a yellow background were obtained. Detection limit was 1 -mug. The reactions were specific for the ergot alkaloids and LSD, no color being obtained with reserpine, emetine, quinine, strychnine, pilocarpine, atropine, scopolamine, cocaine or opium alkaloids.
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