Compounds Termed Purpurates Among Them May Be Mentioned A Red
:
ON THE PRIMARY, RED.
purpurate of lead, a purple-red and a rose-coloured purpurate of
mercury, a purple-red purpurate of silver, a dark red-brown purpurate of
strontia, a crystalline red purpurate of cobalt, a scarlet purpurate of
platinum, a yellow purpurate of zinc, and a green purpurate of baryta.
All of these, however, being more or less soluble in water, and owing
their colours to murexide, would be ill adapted for pigments.