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John Stenhouse FRS FRSE FIC FCS (21 October 1809 – 31 December 1880) was a British chemist. In 1854, he invented one of the first practical respirators . He was a co-founder of the Chemical Society in 1841.
In 1840, the Scottish chemist John Stenhouse found that the same chemical could be produced by distilling a wide variety of crop materials, including corn, oats, bran, and sawdust, with aqueous sulfuric acid; he also determined furfural's empirical formula (C 5 H 4 O 2). [8]
Pages in category "19th-century Scottish chemists" The following 34 pages are in this category, out of 34 total. ... John Stenhouse; Daniel Rankin Steuart; T. Thomas ...
May 6 – Friedrich Bayer (born 1825), German manufacturing chemist. May 27 – Alfred Swaine Taylor (born 1806), English toxicologist, "father of British forensic medicine". July 9 – Paul Broca (born 1824), French anthropologist. October 5 – William Lassell (born 1799), English astronomer. December 31 Eric Holmes (born 1821), British chemist.
Chloropicrin was discovered in 1848 by Scottish chemist John Stenhouse. He prepared it by the reaction of sodium hypochlorite with picric acid : HOC 6 H 2 (NO 2 ) 3 + 11 NaOCl → 3 Cl 3 CNO 2 + 3 Na 2 CO 3 + 3 NaOH + 2 NaCl
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Lead styphnate (or, as it was then called, trinitro-orcinate) was discovered along with many other thrinitroresorcinate salts by British chemist John Stenhouse in 1871, the synthesis route involving action of trinitroresorcinol on lead acetate.
A man wanted for questioning in the death of a woman set ablaze on a subway train is seen in a combination of still images from surveillance video in New York City on Dec. 22, 2024.