See also “Incompatibilities.” Shipping UN1641 Mercuric oxide, Hazard Class: 6.1; Labels: 6.1-Poisonous material Purification Methods Dissolve it in HClO4 and precipitate it with NaOH solution. It is yellow when cold and changes to red at ~130o reversibly. POISONOUS. Incompatibilities A ...
and dissolve in 90 mL of water and 10 mL of nitric acid. Add 2 mL of ferric ammonium sulfate, and titrate with 0.05 N ammonium thiocyanate. Each mL of 0.05 N ammonium thiocyanate is equivalent to 13.88 mg of phenylmercuric ion (C6H5Hg+). ...