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Search Results for “Bleaching”
 
 
1) bleaching. The Columbia Encyclopedia, Sixth Edition. 2001
...Chemical methods include oxidation, as by hypochlorites, ozone, and the per-compounds; reduction, as with sulfur dioxide; and adsorption, as by bone charcoal used...

2) bleaching powder. The Columbia Encyclopedia, Sixth Edition. 2001
...Sometimes called chloride of lime, it can be prepared by reacting calcium hydroxide or slaked lime, Ca(OH)2, with chlorine gas, Cl2. It is used as a strong bleaching...

3) crofting. The Columbia Encyclopedia, Sixth Edition. 2001
...crofting, see bleaching....

4) grassing. The Columbia Encyclopedia, Sixth Edition. 2001
...grassing, see bleaching....

5) chloride of lime. The Columbia Encyclopedia, Sixth Edition. 2001
...chloride of lime, see bleaching powder....

6) Berthollet, Claude Louis, Comte. The Columbia Encyclopedia, Sixth Edition. 2001
...His contributions to chemistry include the analysis of ammonia and prussic acid and the discovery of the bleaching properties of chlorine. He collaborated with Antoine...

7) Macintosh, Charles. The Columbia Encyclopedia, Sixth Edition. 2001
...Scottish chemist and inventor. In 1823 he developed a waterproof fabric used to make raincoats that were named for him. His other research included preparing sugar...

8) Higgins, William. The Columbia Encyclopedia, Sixth Edition. 2001
...After study at Oxford he became supervisor of the Royal Dublin Society's mineralogical collection and in 1800 the Society's professor of chemistry. He worked on the...

9) Javelle water. The Columbia Encyclopedia, Sixth Edition. 2001
...French town of Javelle (now part of Paris) and was the first chemical bleach, a use first demonstrated by C. L. Berthollet in 1785. It was produced by passing chlorine...

10) hydrogen peroxide. The Columbia Encyclopedia, Sixth Edition. 2001
...Hydrogen peroxide has many uses. It is available for household use as a 3% (by weight) water solution; it is used as a mild bleaching agent and medicinally as an...

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