Ammonium p-Toluenesulfonic Acid, 25 g

Product #: 2277924
USD Price: $50.89
Available

(Ammonium-PTSA) Protein-TKN standard: 7.402% N, 46.26% crude protein. For checking accuracy and digestion recovery in Total Nitrogen and TKN determinations. 25 g bottle. See 2277800 for the complete set of three standards with increasing resistance to digestion.