All articles by Michael Freemantle – Page 3
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FeatureIonic liquids revisted
Ionic liquids have flowed far and wide since they first bubbled to the surface in the late 1990s. Michael Freemantle reports
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PodcastPicric acid
A yellow dress, of the type worn by Jane Austen, sets Michael Freemantle exploring the chemistry of picric acid
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PodcastAmmonium carbonate
Ever taken a whiff of smelling salts? For many years, the compound that contributed the pungent pong was ammonium carbonate
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PodcastMethyl isocyanate
The 1984 accident at Bhopal, India, was the worst in the history of industrial chemistry. It involved a leak of methyl isocyanate
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FeaturePotash on a megascale
A new mine could produce up to 20 million tonnes of potash each year and provide 1000 jobs – but it’s in a national park. Michael Freemantle reports
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PodcastCalcium carbide
Michael Freemantle tells us of discovery that lit the homes and put the food on the table of millions of people
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PodcastMercury fulminate, Hg(CNO)2
Michael Freemantle examines the explosive history and chemistry of mercury fulminate
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PodcastGuncotton or nitrocellulose
From an apron aflame to a popular propellant, Michael Freemantle tracks the history of guncotton
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FeatureThe chemists’ war
The first world war not only exploited known chemistry but also led to significant advances. Michael Freemantle explains
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