3.5.99.2 As2O3 0.01 mM 33% inhibition 20130 3.5.99.2 Ca2+ 0.01 mM 45% inhibition 15 3.5.99.2 Cd2+ 0.01 mM 88% inhibition 52 3.5.99.2 Cu2+ 0.02 mM 19 3.5.99.2 Cu2+ 0.01 mM 100% inhibition 19 3.5.99.2 Fe2+ 0.02 mM 25 3.5.99.2 Fe2+ 0.01 mM 100% inhibition 25 3.5.99.2 Fe3+ 0.01 mM 45% inhibition 70 3.5.99.2 ICH2COOH 0.01 mM 42% inhibition 48194 3.5.99.2 Li+ 0.01 mM 30% inhibition 152