What is this old sneaker smell? Historical background of hydrogen cyanide (AC/HCN) The production of hydrogen cyanide (hydrocyanic acid) out of the sulfuric acid and Berlin-blue was discovered by Swedish chemist Carl Wilhelm Scheele in 1782. French chemist and physicist Joseph Louis Gay-Lussac prepared pure liquefied hydrogen cyanide in 1811. Hydrogen cyanide was used asContinue reading “Hydrogen Cyanide 1782”
It’s Time to Face a New Biological Threat Nature is a genius in surprising us with new varieties of life – the latest news on novel a type of coronavirus 2019-nCoV has again proved this right. Epidemics and pandemics bring mysterious, silent and invisible bio threats to the center of people’s everyday life, causing panic,Continue reading “The Game of Corona”
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