Fig. 1
2D densiometric chromatogram of pure drugs scanned at 254 nm of 0.03 µg/band ergotamine, 3 µg/band of phenobarbital, 1.5 µg/band caffeine, 6 µg/band dipyrone.
Fig. 1 | Scientific Reports
2D densiometric chromatogram of pure drugs scanned at 254 nm of 0.03 µg/band ergotamine, 3 µg/band of phenobarbital, 1.5 µg/band caffeine, 6 µg/band dipyrone.
