BARYTIC • FREE-TRANSLATOR.COM • Definition of Barytic

... a sulphate of baryta, found native and known under the name of heavy-spar, or prepared artificially by adding sulphuric acid, or a soluble sulphate, to a solution of a barytic salt. In the first mode, if the white be not well purified from free acid, it is apt to act injuriously on some pigments. Sulphate of baryta is often used for the purpose of adulterating white lead, the native salt being ground to fine powder, and ...

— Field's Chromatography - or Treatise on Colours and Pigments as Used by Artists • George Field