Whitewash, or calcimine, kalsomine, or calsomine is a type of inexpensive paint made from slaked lime (calcium hydroxide) and chalk (whiting). Other additives have historically included water glass, glue, Portland cement, salt, soap, milk or flour. This article does not cite its references or sources. ... Calcium hydroxide is a chemical compound with the chemical formula Ca(OH)2. ... The Needles, part of the extensive Southern England Chalk Formation. ... Sodium silicate, also known as water glass, is a compound used in cements and textile processing. ... An animal glue is an adhesive that is created by prolonged boiling of animal connective tissue. ... Sampling fast set Portland cement Portland cement is the most common type of cement in general usage, as it is a basic ingredient of concrete, mortar and plaster. ... A magnified crystal of a salt (halite/sodium chloride) A salt, in chemistry, is any ionic compound composed of cations (positively charged ions) and anions (negative ions) so that the product is neutral (without a net charge). ... It has been suggested that Soapmaking be merged into this article or section. ... A glass of cows milk Milk is the nutrient fluid produced by the mammary glands of female mammals (including monotremes). ... Look up flour in Wiktionary, the free dictionary. ...

Whitewash cures through a reaction with carbon dioxide in the atmosphere to form calcium carbonate in the form of calcite, a reaction known as carbonatation. Carbon dioxide is a chemical compound composed of one carbon and two oxygen atoms. ... Calcium carbonate is a chemical compound, with chemical formula CaCO3. ... Doubly refracting Calcite from Iceberg claim, Dixon, New Mexico. ... Carbonatation is the process used in the production of sugar crystals from sugar beets, whereby raw beet juice is mingled with milk of lime and carbon dioxide gas in carbonation tanks. ...

It is usually applied externally, as Tom Sawyer was famously made to do to a fence in Mark Twain's The Adventures of Tom Sawyer. Occasionally it is colored and used on interiors, such as the hallways of apartment buildings. Whitewash is especially effective on adobe-like materials because it is absorbed easily and the resultant chemical reaction hardens the substrate. Tom Sawyer is the title character of the Mark Twain novel The Adventures of Tom Sawyer. ... To meet Wikipedias quality standards, the lead section of this article may need to be expanded. ... The Adventures of Tom Sawyer (published 1876) is a very well-known and popular story concerning American youth. ... It has been suggested that Mudbrick be merged into this article or section. ...

Lime wash is pure slaked lime in water. It produces a unique surface glow due the to refraction of calcite crystals.

See also

Look up whitewash in Wiktionary, the free dictionary.

• Transparency (humanities)
• Whitewash (TV special)

Wikipedia does not have an article with this exact name. ... Wiktionary is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ... In the physical sciences, specifically in optics, a transparent physical object is one that can be seen through. ... Whitewash is a 1994 HBO Family Channel special based on a true story. ...

External links

• Farm recipe for whitewash, with details
• Types of whitewash