in water-d2 byproducts: p-nitrophenol, [P2Mo5O23](6-); 100 mM (p-nitrophenyl)phosphate, pD 5.5, 50°C;

N-cyclohexyl-2-aminoethane sulphonic acid; sodium chloride in water T=30°C; 30 h; pH 9.0, also in absence of the reagent and in presence of hapten as an inhibitor, other phosphate monoesters; Rate constantEquilibrium constant;