Bluinglaundry bluedolly blue or washing blue is a household product used to improve the appearance of textilesespecially white fabrics. Used during launderingit adds a trace of blue dye often synthetic ultramarinesometimes Prussian blue to the fabric.
White fabrics acquire a slight color cast after use usually grey or yellow. Since blue and yellow are complementary colors in the subtractive color model of color perceptionadding a trace of blue color to the slightly off-white color of these fabrics makes them appear whiter.
Laundry detergents may also use fluorescing agents to similar effect. Many white fabrics are blued during manufacturing. Bluing is not permanent liquid bluing where to buy rinses out over time leaving dingy or yellowed whites.
A commercial bluing product allows the consumer to add the bluing back into the fabric to restore whiteness. On the same principle, bluing is sometimes used by white-haired people in a blue rinse. Bluing has other miscellaneous household uses, including as an ingredient in liquid bluing where to buy crystal "gardens" whereby a porous item is placed in a salt solutionthe solution then liquid bluing where to buy out as crystalsand to improve the appearance of swimming-pool water.
In Australia it was used as a folk remedy to relieve the itching of mosquito and sand fly bites. Laundry bluing is made of a very fine blue iron powder suspended in water a colloidal suspension. Blue colorings have been added to rinse water for centuries, first in the form of powder blue or smaltor using small lumps liquid bluing where to buy indigo and starch, called stone blue. After the invention of synthetic ultramarine and Prussian blue it was manufactured by many companies, including Mrs.
In many places, it has been replaced by bleach for its primary purpose. Bluing is usually sold in liquid form, but it may also be a solid. Solid bluing is sometimes used by hoodoo doctors to provide the blue color needed for " mojo hands " without having to use the toxic compound copper sulfate.
Bluing was also used by some Native American tribes to mark their arrows showing tribe ownership. From Wikipedia, the free encyclopedia. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. August Learn how and when to remove this template message. The History of Reckitt and Sons Limited. Retrieved from " https: Cleaning products Dyes Textile stubs Materials stubs.
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