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17-Jun-2016
Most of us, chemists or otherwise, have probably come across pH indicators at one point or another. I’d be surprised if there’s anyone out there who hasn’t, back in school, carried out the standard experiment of adding universal indicator to a variety of household liquids to identify them as acidic or alkaline. You might not be aware of the large range of different indicators that can be used to identify varying pHs, however, or the reasons behind the colour changes observed.
How do the tests for coronavirus work?
Across the world, countries are scrambling to increase their testing capacity for the virus — how are these tests carried out and how do they work? more
Four ways to destroy coronavirus
How do you fight something you can’t see? That’s the question when it comes to the coronavirus crisis which currently has many of us holed up at home. Physical distancing is one important answer to preventing the spread of the virus, as avoiding catching it in the first place stops you from ... more
Coronavirus: How hand sanitisers protect against infections
As coronavirus continues its spread, panic-buying has swept supermarket shelves of hand sanitisers. What’s in these sanitisers and how effective are they in comparison to hand washing? This graphic takes a look. more
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