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.



More

;