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John Stenhouse's respirator. John Stenhouse was born in Barrhead in Glasgow on 21 October 1809. He was the eldest son of William Stenhouse, a calico-printer in the family firm of John Stenhouse & Co of 302 High Street, [2] Glasgow, and Elizabeth Currie; [3] he was the only one of their children to survive beyond infancy.
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]
Erythritol was discovered in 1848 by the Scottish chemist John Stenhouse [8] and first isolated in 1852. Starting from 1945, [ 9 ] [ 10 ] American chemists applied newly-developed techniques of chromatography to sugarcane juice and blackstrap molasses , finding in 1950 that erythritol was present in molasses fermented by yeast.
Advancements in DNA technology and a surge of public interest are rekindling hope for breakthroughs in the long-unsolved murder of 6-year-old JonBenet Ramsey, a case that has remained a haunting ...
After two consecutive years of more than 20% gains for the S&P 500 — an achievement not seen since the late 1990s — Wall Street strategists foresee a slower pace of gains for the benchmark ...
The man responsible for a deadly truck attack on Bourbon Street in New Orleans has been identified as Shamsud-Din Jabbar, a 42-year-old U.S.-born citizen from Texas, the FBI said. He was a U.S ...
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
TikTok advertisers were in no rush to shift their marketing budgets after a U.S. appeals court upheld a law on Friday requiring a divestment or ban of the popular Chinese-owned short video app ...