Assertion: aporphine alkaloid | /r/CapableOf | detect spot
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Source sentences:
text: The aporphine alkaloids, including boldine, can be investigated in plant material and pharmaceutical preparation by means of direct QTLC, detecting the spots either with 0.25% 2,6-dichlor or dibromoquinone chlorimide in methanol or by irradiation with long-wavelength UV light (Fleischmann et al., 1975).