Bleaching+powder
81calcium hydroxide — n. slaked lime, Ca(OH) 2, a white, crystalline compound prepared by the action of water on calcium oxide, used in making plaster, mortar, alkalies, bleaching powder, etc. * * * …
82calcium oxychloride. — See bleaching powder. * * * …
83catalysis — catalytic /kat l it ik/, adj., n. catalytical, adj. catalytically, adv. /keuh tal euh sis/, n., pl. catalyses / seez /. 1. Chem. the causing or accelerating of a chemical change by the addition of a catalyst. 2. an action between two or more… …
84chloride of lime. — See bleaching powder. [1820 30] * * * …
85chlorinated lime. — See bleaching powder. [1875 80] * * * …
86lime — lime1 limeless, adj. limelike, adj. /luym/, n., v., limed, liming. n. 1. Also called burnt lime, calcium oxide, caustic lime, calx, quicklime. a white or grayish white, odorless, lumpy, very slightly water soluble solid, CaO, tha …
87chlorinated lime — noun bleaching powder …
88Castner , Hamilton Young — (1858–1898) American chemist Born in New York City, Castner studied at Brooklyn Polytechnic and at Columbia University, New York. He started as a chemical consultant in 1879 and moved to Britain in 1886 when he failed to gain any backing in… …
89MacIntosh, Charles — (1766 1843) Charles Macintosh was born in Glasgow, Scotland. His father had a successful dyeing business, which is where Macintosh first became interested in science. In 1797, he opened a chemical factory and invented a series of processes and …
90COULEURS (histoire de l’art) — Il n’existe pas aujourd’hui de théorie définitive de la couleur. L’approche du phénomène de la vision chromatique hésite entre des systèmes physiques et des systèmes psychologiques; elle en appelle aujourd’hui à l’optique, science qu’elle avait… …
