Definition of Bleaching powder

1. Noun. A white powder comprised of calcium hydroxide and chloride and hypochlorite and used to bleach and/or disinfect.

Definition of Bleaching powder

1. Noun. A white powder, a mixture of calcium hypochlorite and calcium chloride, prepared by the action of chlorine on calcium hydroxide, used as a strong bleaching agent and disinfectant. ¹

¹ Source:

Medical Definition of Bleaching powder

1. A mixture of varying proportions of complexes of chlorine with calcium oxide and calcium hydroxide. Contains 24-37% available chlorine. Decomposes in moist conditions to liberate chlorine. Strong irritant due to chlorine vapors. Used for disinfecting drinking water, sewage etc.; in the bleaching of wood pulp, linen, cotton, straw, oils, soaps, and laundry; as an oxidiser; in destroying caterpillars; and as a decontaminant for mustard gas and similar substances. Synonym: bleaching powder. (05 Mar 2000)

Bleaching Powder Pictures

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Lexicographical Neighbors of Bleaching Powder

bleached wax
bleaching agent
bleaching agents
bleaching clay
bleaching earth
bleaching powder (current term)
bleaching powders

Literary usage of Bleaching powder

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Dictionary of Applied Chemistry by Thomas Edward Thorpe (1921)
"The lime req uired for the manufacture of bleaching powder must be from as pure a ... Among the most suitable limes for bleaching powder is that used ..."

2. The Principles of Chemistry by Dmitry Ivanovich Mendeleyev, Thomas Atkinson Lawson (1897)
"In the manufacture of bleaching powder in large quantities at chemical works, the purest possible slaked lime is taken and laid in a thin layer in large ..."

3. Standard Methods of Chemical Analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1922)
"EVALUATION OF bleaching powder, CHLORIDE OF LIME, FOR AVAILABLE CHLORINE When chloride of lime is treated with water, it is resolved into calcium ..."

4. A Treatise on Chemistry by Henry Enfield Roscoe, Carl Schorlemmer (1884)
"The quantity of hydrochloric acid employed for the production of one ton of bleaching powder varies in different works according to the care with which tho ..."

5. Preventive medicine and hygiene by Milton Joseph Rosenau (1917)
"However, all the constituents of bleaching powder are not soluble. Chlorinated lime contains a large amount of calcium hydroxid ..."

6. International Library of Technology: A Series of Textbooks for Persons by International Textbook Company (1906)
"bleaching powder, or chloride of lime, is formed by the action of chlorine on ... When exposed to moist air containing carbon dioxide, bleaching powder is ..."

7. An Introduction to the Study of Chemistry by Ira Remsen (1901)
"An objection to the view that calcium chloride is present as such in bleaching-powder is found in the fact that the substance is not deliquescent. ..."

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