calcium sulfite — n a white calcium salt CaSO3 prepared as a powder and used esp. as a disinfectant and preservative … Medical dictionary
calcium sulfite — noun : either of the two sulfites of calcium: a. : the normal salt CaSO3 prepared as a white powder and used as a disinfectant, preservative, and antichlor b. : calcium bisulfite … Useful english dictionary
Calcium sulfite — A white powder, soluble in diluted sulfuric acid. Used in the sulfite process for the manufacture of wood pulp. U.S. Dept. of Energy, Energy Information Administration s Energy Glossary … Energy terms
calcium bisulfite — noun : acid calcium sulfite Ca(HSO3)2 obtained as a yellowish solution usually containing free sulfur dioxide by reaction of sulfur dioxide with limestone in the presence of water or with calcium hydroxide and used in the sulfite process for… … Useful english dictionary
Calcium sulfate — Chembox new Name = Calcium sulfate ImageFile = Calcium sulfate hemihydrate.jpg ImageSize = 200px ImageName = Calcium sulfate hemihydrate OtherNames = Plaster of Paris, Drierite Section1 = Chembox Identifiers CASNo = 7778 18 9 RTECS = WS6920000… … Wikipedia
sulfite — [ sylfit ] n. m. • 1787; de sulf(o) et ite ♦ Chim. Sel de l acide thiosulfurique ou sulfureux. Sulfites et hyposulfites (appelés aujourd hui thiosulfates). ● sulfite nom masculin Sel de l acide sulfureux. sulfite n. m. CHIM Sel de l acide sulf … Encyclopédie Universelle
Sulfite process — The sulfite process produces wood pulp which is almost pure cellulose fibers by using various salts of sulfurous acid to extract the lignin from wood chips in large pressure vessels called digesters. The salts used in the pulping process are… … Wikipedia
calcium — /kal see euhm/, n. Chem., Biol. a silver white divalent metal, occurring combined in limestone, chalk, gypsum, etc., occurring also in vertebrates and other animals, as a component of bone, skeletal mass, shell, etc., and as a necessary element… … Universalium
Calcium — A mineral found mainly in the hard part of bones. Bones serve as a storage area for calcium. Calcium is added to bones by cells called osteoblasts. It is removed from bones by cells called osteoclasts. When children consume calcium, they absorb… … Medical dictionary
sulfite process — noun : an acid process for making pulp from wood in which chips are cooked at high temperature and pressure in a solution of bisulfite of calcium, magnesium, sodium, or ammonium * * * Chem. a process for making wood pulp by digesting wood chips… … Useful english dictionary
