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21 Aktuelle Infografiken zum Thema Chemikalien

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A Guide to Acids, Acid Strength, and Concentration

Even if you’re not a chemist, you’ll doubtless remember learning about acids back in school. They’re routinely described as strong or weak, concentrated or dilute. But what’s the difference between a strong acid and a concentrated acid? Explaining that is a little trickier than it sounds; in this ...

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Chemistry History

Carothers, Condensation Polymerisation, & Nylon

On this day in 1896, Wallace Carothers was born. Listed by C&EN magazine intheir recent list of scientists who should have won a Nobel prize, we have Carothers to thank for nylon, which can be used in clothing, carpets, car parts and more. Here’s a quick look at the chemistry behind the ...

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The Chemistry of Paper and Polymer Banknotes

Last week the UK put its first polymer note into circulation, and it plans to replace all of its paper banknotes with polymer notes by 2020 (with the current exception of the £50 note). It’s far from the first country to introduce polymer notes, however; in fact, Australia has been using them ...

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Why Can Coriander Taste Soapy?

The Chemistry of Coriander

I wasn’t aware of this until recently, being a fan of coriander myself, but apparently there are quite a few people for whom coriander (referred to as cilantro in the US)has a rather unpleasant soapy, or even metallic, taste. The cause of this has its roots in the chemical composition of ...

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Acids, Alkalis, and the pH Scale

The pH scale is something we’re all familiar with; most people will remember it from school chemistry lessons. It’s the scale used to rank how strong an acid (or alkali) a solution is. The colours associated with each number correspond to the colour that universal indicator turns in solutions of ...

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The Nobel Prize Medals (and How to Make Them Disappear)

Next week, the winners of this year’s batch of Nobel Prizes will be announced. Every winner receives a Nobel Prize medal, featuring a portrait of the founder of the prizes, Albert Nobel. This graphic takes a look at the composition of these medals – and how chemistrywas once used to make them ...

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The Chemistry of a Football Shirt

With the new season of the Premier League kicking offthis weekend, it seemed a good time to take a look at the chemicals that make up your average football shirt. Even if the start of a new football season isn’t the kind of event to fill you with excitement, it’s still intriguing from a ...

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What Makes Jam Set?

The Chemistry of Jam-Making

If you’ve ever tried your hand at jam-making, you’ll know that it’s something of a tricky process. A number of factors need to be just right to achieve a perfectly set jam – and chemistry can help explain why. There are three key chemical entities that go into jam-making: sugar, pectin, and ...

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What Gives Beer its Bitterness & Flavour?

There are few things better than an ice cold beer on a hot day. Chances are, when you crack open a beer this summer, you probably won’t be thinking much about chemistry – but it’s the particular chemicals in beer, produced inthe brewing process, that give beer both its bitterness and ...

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Why Can Beetroot Turn Urine Red?

The Chemistry of Beetroot

The latest of the food science graphics looks at the chemistry of beetroot. An unusual effect of beetroot is that it can cause ‘beeturia’, or a red colouration to the urine, after ingestion. This is a condition that only affects an estimated 10-14% of the population, so what are the chemical ...

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