Application of urea, ferric ammonium sulphate and casein for determination of tanning substances in plants.
D002364:Caseins; D002854:Chromatography, Paper; D003124:Colorimetry; D004586:Electrophoresis; D007501:Iron; D010944:Plants / Q000032:analysis; D000644:Quaternary Ammonium Compounds; D013053:Spectrophotometry; D013455:Sulfur; D014508:Urea
D002364:Caseins; D000644:Quaternary Ammonium Compounds; D013455:Sulfur; D014508:Urea; D007501:Iron