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A sensitive thin-layer chromatography technique for determining morphine in urine

✍ Scribed by Jack E. Wallace; John D. Biggs; James H. Merritt; Horace E. Hamilton; Kenneth Blum

Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
579 KB
Volume
71
Category
Article
ISSN
1873-3778

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✦ Synopsis

A screening procedure is described for determining morphine and other narcotics in acid-hydrolyzed urine. A simple pH adjustment and extraction are followed by washing the extracting solvent with a phosphate buffer which effectively removes hydrolytic products that normally produce inferior chromatograms. Interfering substances are discussed, with special reference to methadone, nicotine, caffeine, and phenothiazine compounds.

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