Online Encyclopedia


Online Encyclopedia
Originally appearing in Volume V27, Page 1025 of the 1911 Encyclopedia Britannica.
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VERMILION, a scarlet pigment composed of mercuric sulphide, HgS. It may be obtained direct from pure and bright coloured portions of the native ore cinnabar, or, artificially, by subliming a mixture of mercury and sulphur. The product is ground and levigated; and when dry it is ready for use. It is also prepared by digesting precipitated mercuric sulphide with an alkaline sulphide for some hours; it is said that Chinese vermilion owes its superiority to being made in this way. In addition to its brilliance, vermilion is a pigment of great intensity and durability, remaining unaffected by acid fumes. Being costly, it is much subject to adulteration; but the fraudulent additions may easily be detected by volatilization, which in the case of pure vermilion leaves no residue. See FIGMENTS and MERCURY.
End of Article: VERMILION
VERMIN (Fr. vermine, formed as if from Lat. verminu...

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