Multi-Element Internal Std., 10ug/ml, 4x25ml

Pure ß-Glucuronidase from overexpressing recombinant E. coli ,>50,000 u/ml,50% aqueous glycerol soln,5mL

3-Methyl-4-nitrophenol, 100mg

4-Chloro-3,5-dimethylphenol, 250mg