GC: n

CT: Glauber’s salt, common name for sodium sulfate decahydrate, Na2SO4·10H2O; it occurs as white or colorless monoclinic crystals. Upon exposure to fairly dry air it effloresces, forming powdery anhydrous sodium sulfate. Johann Glauber was the first to produce the salt (from Hungarian spring waters). The naturally occurring salt is called mirabilite. Glauber’s salt is water soluble, has a salty, bitter taste, and is sometimes used in medicine as a mild laxative; it is also used in dyeing.

S: http://www.infoplease.com/encyclopedia/science/glauber-salt.html (last access: 29 December 2014) (The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.)

N: 1. So called from Johann Rudolph Glauber (1604–1670), a German alchemist, who discovered it in 1658 in his researches after the philosopher’s stone. It is the sulphate of soda.
2. A common eutectic salt which melts at 90°F and stores 104 BTU per pound.

S: 1. http://www.infoplease.com/dictionary/brewers/glauber-salts.html (last access: 29 December 2014) (Dictionary of Phrase and Fable, E. Cobham Brewer, 1894). 2. GDT.

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CR: renewable energy