All Analysis articles – Page 9
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ResourceFatty acids in food supplements
A resource involving the investigation of the chemical composition of some food supplements that contain omega-3 and omega-6 fatty acids.
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ResourceTechnician in trouble! What solutions are which?
Investigate different chemical solutions with this experiment that explore reactions of acids and alkalis, as well as neutralisation. Includes kit list and safety instructions.
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ResourceJust a can of cola?
A fully open brief to help learners conduct original experiments into their favourite soft drinks. Includes possible experiments and safety instructions.
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FeatureHow much horse meat?
It's a simple enough question, but the media, the public and even government officials are having trouble understanding just how much horse meat is in some processed food. Ian Farrell makes sense of the confusion
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ResourceSchool’s Analyst past papers 2013
Challenge your students to carry out back titrations with these previous Schools’ Analyst questions
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ResourceParabens 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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ResourceForensic Analysis: Laboratory Manual
Pre laboratory exercises and laboratory practicals in Forensic Analysis.
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SoundbiteDetective work and food fraud
How did horse meat remain undetected in the food chain for long enough to reach supermarket shelves? Ian Farrell investigates
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FeatureSpectroscopy in your classroom - portable analysis
Tracy McGhie explains how your students can solve a murder mystery using state-of-the-art equipment
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ResourceChallenging Plants: Phytomanagement - Practicals
Plants have much to offer in terms of phytoremediation, phytoextraction and the potential of using plants to mine metals. This resource is designed to help students realise this potential knowledge and understand the key underpinning scientific principles.
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The MoleCoprolites
Information hidden in fossils – Philip Robinson finds out what dinosaurs ate for dinner
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ResourceOn This Day - Nov 20 : Francis Aston died
He was awarded the Nobel Prize in Chemistry in 1922 for his development of the mass spectrograph, a device that separates atoms or molecular fragments of different mass and measures those masses with remarkable accuracy.
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ResourceOn This Day - May 12 : Dorothy Hodgkin was born
Hodgkin is one of the most famous female chemists, and is known for her investigations into the structure of natural products using x-ray analysis. She was awarded the Nobel Prize in Chemistry in 1964 for these contributions.
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ResourceOn This Day - Dec 31 : Drunkometer was invented
Invented by Rolla N. Harger of Indiana University School of Medicine, it was the first successful machine for testing blood alcohol content through breath testing. The machine used acidified potassium permanganate solution as a colour indicator for the amount of alcohol present.
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ResourceOn This Day - Mar 29 : New electron microscope
This electron microscope enabled atoms to be seen for first time. Advances in imaging have allowed materials to be probed with astonishing resolution using transmission electron microscopy (TEM).
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ResourceOn This Day - Mar 04 : First carbon dating method
Radiocarbon dating is a method that uses the half-life of carbon-14 to determine the age of carbon-rich materials up to about 60,000 years old. Libby was awarded the Nobel Prize in Chemistry in 1960 for his work.
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ResourceSynthesis and Analysis
Synthesis and analysis are two key aspects of chemistry, particularly when exploring the role of chemistry in an industrial context and relating the products formed to applications in everyday life. In order to successfully synthesise any material it is necessary to have an understanding of the starting materials, the ...
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ResourceInfrared Spectrometer
Watch an illuminating six-minute video explaining how infrared spectroscopy works.
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ResourceSchools’ Analyst past papers 2012
Investigate the amount of active ingredient in aspirin tablets, paracetamol tablets and cold and flu remedies.
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The MoleNicola Gray: Assistant analyst
Nicola is a PhD student from the Drug Control Centre at King’s College London. She will play an important role during the London 2012 Olympic and Paralympic Games this year