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See also:TENNANT, See also:CHARLES (1768-1838) , Scottish See also:industrial chemist, was See also:horn at See also:Ochiltree, See also:Ayrshire, on the 3rd of May 1768. He started in,business as a bleacher at See also:Darnley, and in 1798 took out a patent for a bleach liquor formed by passing See also:chlorine into a mixture of See also:lime and See also:water. This product had the See also:advantage, as compared with the Eau de Javelles, then generally used, that a cheaper See also:base, lime, was substituted for potash in its preparation; but when he attempted to protect his rights against infringement his patent was held invalid on the See also:double ground that the See also:specification was incomplete and that the invention had been anticipated at some bleach-See also:works near See also:Nottingham. In 1799 he patented a more convenient material in See also:bleaching See also:powder or " chloride of lime," formed by the See also:action of chlorine on slaked lime, and for its manufacture founded at See also:Glasgow in 1800 the well-known St Rollox chemical works, now merged in the See also:United See also:Alkali See also:Company. He died at Glasgow on the 1st of See also:October 1838.
His See also:grandson the See also:iron-See also:master, See also:Sir Charles Tennant (1823-1906), was M.P. for Glasgow from 1878 to 188o and for See also:Peebles and See also:Selkirk from 188o to 1886; he was created a See also:baronet in 1885.
End of Article: TENNANT, CHARLES (1768-1838)
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