3.8.1.2 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide - 3174 3.8.1.2 Ag+ - 75 3.8.1.2 Cu2+ - 19 3.8.1.2 CuSO4 41% inhibition 263 3.8.1.2 FeSO4 above 10 mM 655 3.8.1.2 Hg2+ - 33 3.8.1.2 HgCl2 high concentrations 110 3.8.1.2 HgCl2 - 110 3.8.1.2 HgSO4 - 12552 3.8.1.2 iodoacetamide - 67