[Ion-exchange method for the determination of caffeine in liquid kola extract and kola seeds].
D002110:Caffeine / Q000737:chemistry*; D002626:Chemistry, Pharmaceutical; D030221:Cola; D007475:Ion Exchange Resins; D010944:Plants; D010946:Plants, Medicinal / Q000737:chemistry*; D012639:Seeds
D007475:Ion Exchange Resins; D002110:Caffeine
CAFFEINE/chemistry; ION EXCHANGE RESINS; PLANTS, MEDICINAL/chemistry