Colorimetric method for monensin.
D000821:Animal Feed / Q000032:analysis; D000900:Anti-Bacterial Agents / Q000032:analysis*; D002855:Chromatography, Thin Layer; D003124:Colorimetry; D005503:Food Additives / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D007202:Indicators and Reagents; D008722:Methods; D012996:Solutions / Q000032:analysis
D000900:Anti-Bacterial Agents; D005503:Food Additives; D007202:Indicators and Reagents; D012996:Solutions