Herapathite, or iodoquinine sulfate, is a chemical compound whose crystals are dichroic and thus can be used for polarizing light. According to Edwin H. Land, it was discovered in 1852 by William Bird Herapath, a Bristol surgeon and chemist. One of his pupils found that adding iodine to the urine of a dog that had been fed quinine produced unusual...
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http://en.wikipedia.org/wiki/Herapathite
• (n.) The sulphate of iodoquinine, a substance crystallizing in thin plates remarkable for their effects in polarizing light.
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http://thinkexist.com/dictionary/meaning/herapathite/
Her'a·path·ite noun [ Named after Dr.
Herapath , the discoverer.]
(Chemistry) The sulphate of iodoquinine, a substance crystallizing in thin plates remarkable for their effects in polarizing light.
Found on
http://www.encyclo.co.uk/webster/H/35
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