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Encyclopedia > Sodium sulphate

Glauber's salt, also sal mirabilis, is the name of sodium sulfate decahydrate, Na2SO4•10H2O. It is named after Johann Glauber, who discovered it in the 17th century. The white or colorless crystals were originally used as a laxative. Other uses include dyeing, frosting windows, heat storage in passive solar heating systems, wood digestion in the pulp industry, and detergents. About half of the world's production is from the natural mineral form - found in lake beds in southern Saskatchewan, for example, where it is also known as mirabilite; and half from by-products of chemical processes. Johann Rudolf Glauber (1604 - March 10, 1670), a German-Dutch alchemist and chemist. ... (16th century - 17th century - 18th century - more centuries) As a means of recording the passage of time, the 17th century was that century which lasted from 1601-1700. ... A laxative is a preparation used for the purpose of encouraging defecation, or the elimination of feces. ... Dyeing is the process of changing the colour of a yarn or cloth by treatment with a dye. ... Heat (abbreviated Q, also called heat change) is the transfer of thermal energy between two bodies which are at different temperatures. ... Solar heating is a style of building construction which uses the energy of sunshine to heat a structure. ... Motto: Multis E Gentibus Vires (From many peoples, strength) Other Canadian provinces and territories Capital Regina Largest city Saskatoon Lieutenant Governor Lynda M. Haverstock Premier Lorne Calvert (NDP) Area 651,036 km² (7th)  - Land 591,670 km²  - Water 59,366 km² (9. ...

External link

"Sodium sulfate" on Saskatchewan Interactive (http://interactive.usask.ca/ski/mining/search/mineral_types/industrial/ssulphate.html)

  Results from FactBites:
Sodium - LoveToKnow 1911 (3204 words)
Sodium carbonates are also widely dispersed in nature, forming constituents of many mineral waters, and occurring as principal saline components in natron or trona lakes, as efflorescences in Lower Egypt, Persia and China, and as urao in Mexico, Colombia and Venezuela.
Hydrated sulphates occur at several localities in the province of Madrid and in other provinces of Spain, and at Miihlingen in Aargau, and copious deposits of glauberite, the double sulphate of sodium and calcium, are met with in the salt-mines of Villarrubia in Spain, at Stassfurt, and in the province of Tarapaca, Chile, andc.
Sodium is excreted by all the mucous surfaces and by the liver and kidneys.
Sodium sulfate - Wikipedia, the free encyclopedia (1092 words)
Sodium sulfate is mainly used for the manufacture of detergents and in the Kraft process of paper pulping, although it has many other uses.
Bulk sodium sulfate is usually purified via the decahydrate form, since the anhydrous form tends to attract iron compounds and organic compounds.
Sodium sulfate is important in the manufacture of textiles, particularly in Japan.
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