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Whitewash, calcimine, kalsomine, calsomine, asbestis or lime paint is a type of paint made from slaked lime (calcium hydroxide, Ca(OH) 2) or chalk (calcium carbonate, CaCO 3), sometimes known as "whiting". Various other additives are sometimes used.
Electrolysis refers to the breakdown of substances using an electric current. This removes impurities in a substance that an electric current is run through; Sublimation is the process of changing of any substance (usually on heating) from a solid to a gas (or from gas to a solid) without passing through liquid phase. In terms of purification ...
Alternatives to chalk include the toxic substance white lead. Distempered surfaces can be easily marked and discoloured, and cannot be washed down, so distemper is best suited to temporary and interior decoration. The technique of painting on distempered surfaces blends watercolours with whiting and glue.
A separation process is a method that converts a mixture or a solution of chemical substances into two or more distinct product mixtures, [1] a scientific process of separating two or more substances in order to obtain purity. At least one product mixture from the separation is enriched in one or more of the source mixture's constituents.
A list of chemical analysis methods with acronyms. A Atomic absorption spectroscopy (AAS) ... Alpha particle X-ray spectrometer (APXS) C. Capillary electrophoresis ...
Amid early criticism and fears of whitewashing, the cast of the highly anticipated sci-fi series “3 Body Problem” says it does justice to the original Chinese novels.
In cinema's early days, whitewashing was overt. In the first screen adaptation of Harriet Beecher Stowe's "Uncle Tom's Cabin" produced in 1903, all of the major black roles were played by white ...
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