简介:2.1 Thiocyanate ion (SCN) is liberated from mercuric thiocyanate through
sequestration of mercury by chloride ion to form un-ionized mercuric chloride.
In the presence of ferric ion, the liberated SCN forms highly colo简介:2.1 Thiocyanate ion (SCN) is liberated from mercuric thiocyanate through
sequestration of mercury by chloride ion to form un-ionized mercuric chloride.
In the presence of ferric ion, the liberated SCN forms highly colored ferric
thiocyanate in a concentration proportional to the original chloride
concentration.详细>