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" ... and heat the whole to ebullition. When the lac is dissolved, cool the solution, and impregnate it with chlorine, till the lac is all precipitated. The precipitate is white, but its colour... "
Chemical News and Journal of Industrial Science - Page 95
1864
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Appleton's Dictionary of Machines, Mechanics, Engine-work, and ..., Volume 2

1874 - 1186 pages
...processes, that of making the salt and of bleaching the resin, might be advantageously combined. " Dissolve in an iron kettle one part of pearlash in...about eight parts of water ; add one part of seed or shell lac, and heat the whole to ebullition ; when the lac is dissolved, cool the solution, and impregnate...
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The Painter, Gilder, and Varnisher's Companion

1886 - 408 pages
...has made the arts a valuable present of the following method of producing it perfectly colourless : Dissolve, in an iron kettle, one part of pearlash in about eight parts of water ; add one part of shell-lac, and heat the whole to ebullition. When the lac is dissolved, cool the solution, and impregnate...
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Pharmaceutical Journal: A Weekly Record of Pharmacy and Allied Sciences

1865 - 786 pages
...of Arts, the editor of the ' Franklin Journal ' (Philadelphia) made known the process of l)r. llaro, in which he stated that "all the objects sought for...water, add one part of seed or shellac, and heat the whole4o ebullition. When the lac is dissolved, cool the solution, and impregnate it with chlorine till...
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Journal of the Franklin Institute

Franklin Institute (Philadelphia, Pa.) - 1864 - 526 pages
...When the processes of Luning and Field came before the Society of Arts, the Editor of the Franklin Journal* (Philadelphia) made known the process of...process : — Dissolve in an iron kettle one part of pearl ash in about eight parts of water, add one part of seed or shellac, and heat the whole to ebullition....
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The Register of arts, and journal of patent inventions, ed. by L ..., Volume 1

Luke Hebert - 1828 - 392 pages
...pro-cesses, that of making the salt, and of bleaching the resin, might be very advantageously combined. Dissolve, in an iron kettle, one part of pearlash...about eight parts of water; add one part of seed or shell lac, and heat the whole to ebullition. When the lac is dissolved, cool the solution, and im-pregnate...
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