The older types of colouring matter--such as cadmium yellow, ochres, vermilion, umbers--have been superseded.   anvd [Please select]

Ceryinus: reddish, deer-gray [pale cadmium yellow and Indian red].   anvd [Please select]

Croceous: saffron yellow; yellow with an admixture of red [pale cadmium yellow].   anvd [Please select]

Fulvous -us: tawny; light brown with much yellow; nearly orange [pale cadmium yellow + Indian red].   anvd [Please select]

Ochraceous: yellow with a slight tinge of brown [pale cadmium yellow and brown ochre].   anvd [Please select]

Tawny: a brownish yellow, like the color of a tanned hide [pale cadmium yellow + Indian red].   anvd [Please select]

Testaceous: dull yellow brown; tile colored [pale cadmium yellow+burnt sienna].   anvd [Please select]

Amber: a transparent, clear, pale yellowish brown; of the color of amber [a mixture of pale cadmium yellow and a little burnt umber].   anvd [Please select]

These projects involve items such as gunpowder, acetylene, hydrogen, lead, mercury, sulfuric acid, nitric acid, cadmium, potassium sulfate, potassium cyanide, potassium ferrocyanide, copper sulfate, and hydrochloric acid.   anvd [Please select]