All Applications of chemistry articles – Page 15
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Lesson plan
Murder in the lab
Give students a flavour of analytical techniques used in forensic science. Find the kit list, safety instructions and suggested timings in the download
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Titanium Dioxide Photocatalysis: A New Kind of Water Treatment
Part of a series of resources investigating how using titanium dioxide as a photocatalyst can help to create cleaner water using sunlight.
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Titanium Dioxide Photocatalysis: Uses of Titanium Dioxide
Part of a series of resources investigating how using titanium dioxide as a photocatalyst can help to create cleaner water using sunlight.
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Which bleach is the best buy?
Which bleach is best? By investigating this question, learners will discover more about redox reactions. Includes kit list and safety instruction.
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Natural dyeing
Collect natural dyes for learners to use in the classroom. Exploring how dyes and indicators change the colour of different cloths.
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Fight fire! Fill up with foam | 11–14 years
How do firefighters do it? That’s the question your learners will explore in this investigation into carbon dioxide foam
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Firework resources
A selection of resources, articles and quizzes around the theme of chemistry in fireworks.
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Parabens in household products
This is a laboratory-based investigation (either using GC or HPLC) of preservative chemicals commonly found in household products - parabens.
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Forensic Analysis: Laboratory Manual
Pre laboratory exercises and laboratory practicals in Forensic Analysis.
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Faces of Chemistry – Catalysts
Find out from scientists at Johnson Matthey how catalytic converters reduce harmful emissions produced by vehicles.
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Faces of Chemistry – Hair colourant
Learn about the chemistry of hair dyes from Procter and Gamble scientists.
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On This Day - Dec 07 : First thermosetting plastic
“Bakelite” (polyoxybenzylmethylenglycolan- hydride) takes its name from its inventor, the Belgian chemist Leo Hendrik Baekeland.
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On This Day – Jul 01 : Charles Goodyear died
He was the inventor of vulcanized rubber, a baked mixture of rubber and sulfur (S) that creates a strengthened compound. The process reinvented rubber as a useful substance that could withstand the variations of day-to-day temperatures. Rubber alone freezes in winter and melts in summer.
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On This Day - Dec 29 : Discovery of heavy water
The American physical chemist found that heavy water is highly enriched in the hydrogen isotope deuterium (2H), and is used in many applications such as nuclear magnetic resonance, neutron moderation in nuclear power plants and organic chemistry.
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On This Day - Nov 21 : Hieronymus Richter was born
He was the co-discoverer of indium (In), an element used to form transparent electrodes in liquid crystal displays in computers, televisions and touch screens.
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On This Day - Oct 18 : Schoenbein was born
He accidentally discovered the powerful explosive nitrocellulose when he spilled sulfuric and nitric acids, and soaked them up with a cotton apron. When the apron dried, it burst into flame - he had created the highly flammable compound nitrocellulose.
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On This Day – Jul 14 : Sir William Perkin died
He synthesised the first artificial dyestuff, called mauve or aniline purple, while trying to synthesize quinine from a coal tar chemical. Perkin commercialised his discovery, developing production methods and uses for the new dye.
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On This Day - Oct 13 : First zinc oxide
The Pennsylvania and Lehigh Zinc Company Mill produced zinc oxide (ZnO) from calamine ores. Zinc oxide is a white powder that is used as an additive to a wide range of products such as paints, plastics, adhesives, fire retardants and foods (nutrients).
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On This Day - Jun 03 : Emmet Culligan died
He invented the Culligan water softener system that made water softening available to home users. These systems reduce the amount of calcium (Ca), magnesium (Mg) and other metal cations found in hard water. He founded the Culligan international water treatment products company in 1936.
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On This Day - Nov 03 : Antifouling paint patent
It was made from a mixture of a copper oxide (CuO), tar and naphtha, and offered protection against growth of barnacles and seaweed for twelve months. There are now concerns that copper oxide based antifouling paints are environmental pollutants, and replacements are being introduced.