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Explainer: The science of alkyl nitrites aka poppers
Sep 16, 2021 · From the 1960s onwards, poppers became established as a recreational drug, with various alkyl nitrites produced, including isopropyl nitrite, isobutyl nitrite and butyl nitrite, to get around legal restrictions.The drug was widely used by clubbers for a brief time in the 1990s, but plays a continued role in gay subculture.
Ink chemistry | News | Chemistry World
A colourful palette Pigments are considered to be the chief constituent of an ink and contribute about 50 per cent of its cost. A pigment is essentially any particulate solid - coloured, black, white or fluorescent - that alters the appearance of an object by the selective absorption and/or scattering of light.
Physical chemistry textbook now free to download as a ‘gift’ to the ...
May 23, 2024 · The retired Oxford professor said he had opted to give the e-book away – as part of a special collaboration with the Royal Society of Chemistry (RSC) – as a ‘gift and a thanks to the community’ who have given his other books a ‘loyal following’ over the years.
Explainer: The chemistry of farts | News | Chemistry World
Dec 21, 2016 · Consequently, De Lacy Costello and his colleagues have moved beyond the most common gases to studying volatile compounds released from faeces in very low concentrations. 6 Initially, they mimicked conditions in the large intestine by mixing faeces and nutrient medium in a container. They absorbed volatile chemicals onto plastic fibres above the mixture or pumped out through a tube, to be ...
Can acid dissolve a body? | Opinion | Chemistry World
Jun 16, 2017 · The annals of crime are filled with gruesome tales of using chemicals for body disposal. In the mid-to-late 1940s, one of England’s most notorious killers, John Haigh, used sulfuric acid to dispose at least six victims’ corpses – a method that led to him being dubbed the ‘acid bath killer’. The Arellano-Félix Organization, a real-life cartel that inspired a …
Explainer: Why is mixing cleaning chemicals such a bad idea?
Apr 23, 2020 · Accidental poisonings in the US have risen dramatically during the Covid-19 lockdown. They are up 20% in the first three months of 2020 compared with last year, according to the Centers for Disease Control and Prevention (CDC). There were 45,550 calls related to exposure to disinfectant and cleaning agents, almost two-thirds of the incidents involving bleach and most of the others non-alcohol ...
Copper-catalysed carbon-heteroatom bond-forming processes
The availability of general methods for carbon-heteroatom bond formation is central to modern-day organic synthesis. In this hour-long webinar – broadcast live on 15 October, 2024 – you will hear about aspects of the work from our labs at MIT describing several Cu-catalysed transformations relevant to the construction of molecular …
Do other chemistry prizes predict the Nobels?
Sep 29, 2023 · Every year we gaze into our crystal balls to try to predict who will win this year’s Nobel prize.Besides looking at citations or seeking the wisdom of crowds, another method is to look at who has won some of the other prestigious chemistry prizes out there, ones that don’t garner the press attention that the Nobels do.
Expressions of concern added to more than 60 articles in …
May 20, 2024 · Over 60 articles published by the chemistry journal Chemosphere have had an expression of concern added to them.. Reasons given vary from article to article but include unusual changes to the authorship of the article prior to publication, potential citation manipulation, potentially undisclosed conflicts of interest by a reviewer or editor handling the peer-review process and potentially ...