[Colorimetric determination of ammonia. II. A new spectrophotometric method for the determination of ammonia with guaiacol].
D000641:Ammonia / Q000032:analysis*; D003124:Colorimetry; D006139:Guaiacol; D007202:Indicators and Reagents; D008722:Methods; D013053:Spectrophotometry
D007202:Indicators and Reagents; D006139:Guaiacol; D000641:Ammonia