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Hydrogen peroxide was first used for bleaching in 1882, but did not become commercially important until after 1930. [10] Sodium perborate as a laundry bleach has been used in Europe since the early twentieth century, and became popular in North America in the 1980s. [11]
Swedish chemist Scheele discovered chlorine in 1774, [26] and in 1785 French scientist Claude Louis Berthollet recognized that it could be used to bleach fabrics. [26] Berthollet also discovered potassium hypochlorite, which became the first commercial bleaching product, named Eau de Javel ("Javel water") after the borough in Paris where it was ...
Chlorine gas was first used by French chemist Claude Berthollet to bleach textiles in 1785. [29] [30] Modern bleaches resulted from further work by Berthollet, who first produced sodium hypochlorite in 1789 in his laboratory in the town of Javel (now part of Paris, France), by passing chlorine gas through a solution of sodium carbonate.
The use of toxic chemicals as weapons dates back thousands of years, but the first large-scale use of chemical weapons was during World War I. [1] [2] They were primarily used to demoralize, injure, and kill entrenched defenders, against whom the indiscriminate and generally very slow-moving or static nature of gas clouds would be most effective.
Bleach is hard to find right now. Experts recommend these three bleach alternatives for cleaning. The post Having Trouble Finding Bleach? Here’s What To Use Instead appeared first on Taste of Home.
The bleaching agent used by the Roman women was composed of a solution of ashes from burnt nuts or plants. [4] Diodorus Siculus, a 1st century BC Greek historian, described in detail how Celtic people bleached their hair: "Their aspect is terrifying... They are very tall in stature, with rippling muscles under clear white skin.
Ariana Grande has responded to the online discourse about her apparent voice change throughout theWicked press tour.. Speaking to Variety, the 31-year-old, who’s up for her first Golden Globe ...
Hypochlorites, especially of sodium ("liquid bleach", "Javel water") and calcium ("bleaching powder") are widely used, industrially and domestically, to whiten clothes, lighten hair color and remove stains. They were the first commercial bleaching products, developed soon after that property was discovered in 1785 by French chemist Claude ...