All Analysis articles – Page 8

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    Murder in the lab

    Giving students a flavour of analytical techniques that are used in forensic science.

  • Comparing blue solutions in test tubes
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    Challenging Plants: Analytical Methods

    In association with

    Investigations of plants and soil often require the application of some basic analytical methods. Some important ones are given here.

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    Laboratory and Pilot Plant Tours

    Take a virtual tour of the areas where chemists work. The chemistry laboratories do initial research and the pilot plant is involved in making pharmaceutical products on a large scale. Key equipment and activities are highlighted. Courtesy of the ABPI.

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    Fatty 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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    Technician in trouble! What solutions are which?

    In Search of Solutions: Can you distinguish between water, acid, alkali and indicator solutions? Linking to topics on acids/alkalis and neutralisation.

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    Just a can of cola?

    In Search of Solutions: Encourage students to think creatively, what properties can they measure of a can of cola? Linking to many topics, depending on the investigation, as well as scientific thinking and experimentation.

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    How much horse meat?

    2013-07-01T00:00:00Z

    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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    School’s Analyst past papers 2013

    Challenge your students to carry out back titrations with these previous Schools’ Analyst questions

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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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    Detective work and food fraud

    2013-05-01T00:00:00Z

    How did horse meat remain undetected in the food chain for long enough to reach supermarket shelves? Ian Farrell investigates

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    Spectroscopy in your classroom - portable analysis

    2013-05-01T00:00:00Z

    Tracy McGhie explains how your students can solve a murder mystery using state-of-the-art equipment

  • Barren land
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    Challenging Plants: Phytomanagement - Practicals

    In association with

    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.

  • A dinosaur skeleton
    The Mole

    Coprolites

    2013-01-01T09:26:00Z

    Information hidden in fossils – Philip Robinson finds out what dinosaurs ate for dinner

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    On 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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    On 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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    On 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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    On 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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    On 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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    Synthesis 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 ...