mercurous nitrate test, [72]
apparatus for the silver, Prussian-blue, and sulphur tests, [72-3]
salts of, [73-8]
potassium cyanide, [73-4]
mercuric cyanide, [74-5]
cyanides of the heavy metals, [75]
double cyanides, [75-6]
sulphocyanides (Pharaoh’s serpent), [77]
in the saliva, [78]
oil of bitter almonds, amount in, [78]