Ammonium p-toluenesulfonic acid, 25 g

Codice articolo: 2277924
EUR Prezzo: Contatti
Spedizione entro 2 settimane

(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.