Explanatory notes
… and turn black on exposure to light. They are used in the preparation of marine paints or mercury salts, and as … dichloride, corrosive sublimate) (HgCl 2 ). Crystallises in prisms or long white needles. Soluble in water (especially … “bronzing” iron, for impregnating wood to render it fire-proof, as an intensifier in photography, as a catalyst in …