Sufficient To Make The Sulphur Bite Into The Base This Opinion

indeed, extends to all metallic sulphides, and our belief is, that if

vermilions were made generally by wet processes, they would not be found

the permanent pigments they undoubtedly are.


Under this name a lemon sulphide of cadmium has lately appeared, to

which the foregoing remarks are applicable. A water colour rub on

exposure to air and light faded rapidly, no trace of yellow remaining in

the pale wash. The sample which came under our notice contained a

quantity of free sulphur.

It is to be regretted that these lemon cadmiums are fugacious, so

bright, so clear, are they, and of so pure a lemon tint can they be

obtained. But as no beauty of colour compensates for want of durability,

their place should be supplied by lemon yellow proper, or chromate of



Subordinates For Orange And Purple Being The Immediate Constituents Swedish Green Olympian Green Imperial Green Mitis Green facebooktwittergoogle_plusredditpinterestlinkedinmail