BOD Calibraton Standard

4-Phenoxyphenol, 100mg

N-(2-Hydroxyethyl)-2[(2hydroxyethyl)amino]acetamide, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 144236-39-5

4-O-Desmethyl 4-O-Ethyl Trimethoprim, 25mg