Colorimetric method for determination of 7-aminocephalosporanic acid (7-ACA) and related compounds.
D002511:Cephalosporins / Q000032:analysis*; D002512:Cephalothin / Q000032:analysis*; D003124:Colorimetry; D007202:Indicators and Reagents; D008722:Methods; D013053:Spectrophotometry
D002511:Cephalosporins; D007202:Indicators and Reagents; D002512:Cephalothin