title: Determination of ammonia in biological solutions by second-derivative spectrometry.
mesh_terms: D000468:Alkalies; D000641:Ammonia / Q000097:blood* / Q000134:cerebrospinal fluid; D000818:Animals; D004285:Dogs; D006801:Humans; D008722:Methods; D013057:Spectrum Analysis / Q000379:methods
chemical_list: D000468:Alkalies; D000641:Ammonia