Description
"A figure or design incised beneath the surface of hard metal or stone; printing done with a plate bearing an image in intalagio;" [American Heritage Dictionary] Potential exposure from etching (hydrogen chloride, chlorine, nitric acid, nitrogen dioxide, chlorates), aquatint (colophony), and photoetching (xylene and glycol ethers) plus other solvents (kerosene, alcohols, Stoddard solvent); [Rom, 3rd ed, p. 1466] Other potential exposures to ferric chloride and potassium chlorate (etching) and ethyl acetate and butyl cellosolve (photoetching); [www.ci.tucson.az.us/arthazards/medium.html] For safety practices, see [PMID 28665840]