All Analytical chemistry articles – Page 3

  • dipole moment
    Resource

    Infrared (IR) spectroscopy: Energy levels

    Infrared spectroscopy reflects the type of bonding present within a molecule, learn how the energy levels of bond vibrations and dipole moments contribute to the frequencies observed

  • dispersive spectrometer
    Resource

    Infrared (IR) spectroscopy: Uses of IR spectroscopy

    Infrared spectroscopy is a valuable technique in analytical chemistry. Learn about how spectra arise and the instruments used to measure them

  • vibrational frequencies
    Resource

    Infrared (IR) spectroscopy

    Absorption of infrared radiation brings about changes in molecular vibrations within molecules and ‘measurements’ of the ways in which bonds vibrate gives rise to infrared spectroscopy. Atom size, bond length and bond strength vary in molecules and so the frequency at which a particular bond absorbs infrared radiation will be different over a range of bonds and modes of vibration.

  • electromagnetic radiation
    Resource

    Introduction to spectroscopy

    Get back to basics with this primer on the principles of spectroscopic techniques, including infrared (IR), ultraviolet-visible (UV-vis) and nuclear magnetic resonance (NMR). To make it even easier, each technique has clear explanations and descriptions supported by animations.

  • adsorption chromatography
    Resource

    Chromatography

    Chromatography covers a broad range of physical methods used to separate and/or analyse complex mixtures. It can be preparative or analytical and has a wide range of applications.

  • eye rods and cones
    Resource

    Ultraviolet–visible (UV-vis) spectroscopy

    Learn how UV-visible radiation can be used to shed light on chemical identification and how our senses percept colour. From the theory behind molecular orbitals and electronic transitions to the application of this technique with relatable examples. Includes examples and interactive simulations to aid understanding.

  • mass spectrometer
    Resource

    Mass spectrometry (MS)

    Mass spectrometry is a powerful technique in the modern analytic laboratory. Learn the fundamental theory behind the operation of a mass spectrometer.

  • nuclear magnetic resonance
    Resource

    Nuclear magnetic resonance (NMR) spectroscopy

    Discover how nuclear magnetic resonance (NMR) spectroscopy works, with this series of topics breaking down the fundamental theory. Covering the electronic environment of atoms right up to demonstrating the practical identification of molecules. Includes examples and interactive simulations to aid understanding.

  • A photo showing students working on a Chemistry Practical
    Ideas

    Reinventing the chemistry practical

    2018-12-13T10:37:00Z

    Get students to tackle practicals without you 

  • Image
    Resource

    Smartphone spectrometer

    In association with

    Make your own spectrometer with a DVD and a smartphone camera. This resource includes teacher, technician, and student guides.

  • Metal padlock on blue door
    Ideas

    Escape the classroom: basic puzzles

    2018-11-30T13:47:00Z

    Six puzzles to challenge and enthuse your students

  • A hand examines clear glass bottles
    Analysis

    Finding the fake booze

    2018-10-12T14:54:00Z

    Ever wondered what Raman spectrometry is? Here’s how it can find out what’s in a bottle without opening it.

  • RES00002201-L
    Resource

    Qualitative analysis quizzes

    In association with

    Find out more about our quizzes and watch the associated videos. The quizzes consist of 10 questions in each section and focus on providing formative feedback to students. The range of question types includes text response, numerical response, drag and drop and multiple choice. These quizzes are available free to ...

  • Illustration of a kitchen with the chemical structures of molecules found in indoor air pollution
    Feature

    Pollution in your home

    2018-08-28T09:37:00Z

    Measuring air pollutants lurking indoors, with classroom resources

  • Burette taps
    CPD

    Making measurements

    2018-08-20T11:47:00Z

    Help your students use appropriate apparatus to make and record a range of measurements

  • Image
    Resource

    Teach functional groups

    To illustrate the differences in reactivity of isomeric alcohols, try using the iodoform demonstration in the video. Follow the discussion scenario in sequence for tips to help your students understand a difficult concept in carbon chemistry. 

  • An array of milk bottles on shelves
    Feature

    Chromatography fights food fraud

    2018-06-04T11:58:00Z

    How chromatography helped solve a food safety crisis – includes classroom resources.

  • Small heaps of salt in a wet field
    CPD

    Evaporation, filtration and crystallisation

    2018-05-23T10:07:00Z

    How to add variety and context to lessons while getting students familiar with apparatus

  • Image
    Resource

    Spectroscopy in a Suitcase resource packs

    Use this material either alongside our Spectroscopy in a Suitcase scheme, or as a stand-alone resource to learn about spectroscopy. Cover the principles of spectroscopic techniques, and use real-life contexts to demonstrate their applications.

  • Image
    Resource

    Testing for negative ions

    This activity is in two parts; first, students make observations while carrying out tests for various negative ions, then they use their observations to help identify the negative ions present in a number of solutions.