eau de Javelle definition of eau de Javelle in the Free Online Encyclopedia.

Javelle water or Javel water (both: zhəvĕl`), Fr. eau de Javelle, aqueous solution of sodium or potassium hypochlorite. It was originally made near the French town of Javelle (now part of Paris) and was the first chemical bleach, a use first demonstrated by C. L. Berthollet in 1785. It was produced by passing chlorine gas through a water solution of potash (potassium carbonate potassium carbonate, chemical compound, K₂CO₃, white, crystalline, deliquescent substance that forms a strongly alkaline water solution. It is available commercially as a white, granular powder commonly called potash, or pearl ash.
..... Click the link for more information. ). After the invention of bleaching powder bleaching powder, white or nearly white powder that is usually a mixture of calcium chloride hypochlorite, CaCl(OCl); calcium hypochlorite, Ca(OCl)₂; and calcium chloride, CaCl₂.
..... Click the link for more information. Javelle water was sometimes produced by reacting the bleaching powder with potash or soda ash (sodium carbonate sodium carbonate, chemical compound, Na₂CO₃, soluble in water and very slightly soluble in alcohol. Pure sodium carbonate is a white, odorless powder that absorbs moisture from the air, has an alkaline taste, and forms a strongly alkaline water
..... Click the link for more information. ). Now usually sodium hypochlorite solution, it is used in bleaching bleaching, process of whitening by chemicals or by exposure to sun and air, commonly applied to textiles, paper pulp, wheat flour, petroleum products, oils and fats, straw, hair, feathers, and wood.
..... Click the link for more information. and as a disinfectant.

Javelle water (redirected from eau de Javelle)

Javelle water
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