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7 Aktuelle Infografiken zum Thema Ammoniak

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A Brief Guide to Atmospheric Pollutants

Back in school, you’ll have learned that the air in our atmosphere is composed primarily of nitrogen, at 78%, and oxygen, at 21%, with a number of other trace gases. It’s to these trace gases we’re looking today – more specifically, at how human activity can result in the release of air pollution ...

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Nitrogen-Containing Atmospheric Pollutants

Sources and reactions of atmosphericorganic molecules containing nitrogen.

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Cosmetic Chemistry

The Compounds in Red Lipstick

Lipstick is one of the most commonly used cosmetic products – and arange of chemicals are required for its production. The choice of these ingredients is carefully considered to provide the desired colour, glossiness, and indelibility. A single stick of lipstick will contain several hundred ...

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The Chemistry of Permanent Hair Dyes

Today, hair dyes are widely used, either to cover up grey hairs, or simply by those wanting to change their natural hair colour. The chemistry behind how they change the colour of hair can actually get pretty complicated, but this graphic tries to boil it down to the key classes of chemicals ...

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The Chemistry of Camembert

The creaminess of camembert is bested by few other cheeses – but it also has a strong smell to rival blue cheeses that reminds you of its presence in your fridge! Additionally, unlike many other cheeses, as it’s left for longer its insides start to become more gooey. Here we take a look at some ...

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The Chemistry of the Smell of Toilets & Human Waste

Today’s postmarks a slight detour for the aroma chemistry series. So far, we’ve look mainly at pleasant aromas, but today we turn to a major malodour: that of toilets, and, more specifically, human waste. It might seem like something of a childish subject, but there are some interesting chemical ...

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Testing for Cations

Sodium Hydroxide & Ammonia Precipitates

This graphic, on the other hand, looks at how transition metals (and some non-transition metals) can be identified by the precipitates they form with sodium hydroxide and ammonia solutions. I’m going to keep the explanation of the reasons for the colour changes and precipitates fairly simple ...

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