All Spectrometry articles – Page 3
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SoundbiteA comet starts to tell its watery tale
Nina Notman probes what measurements taken onboard the Rosetta spacecraft mean for our understanding of the origin of water on Earth
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SoundbiteFaster, higher, stronger ... fairly
Nina Notman investigates the recent ban on athletes inhaling noble gases
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ResourceCrime Scene Investigation (CSI) web experience
An online game that introduces forensic science and toxicology in a fun interactive way.
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ResourceFaces of Chemistry – National Gallery
These videos look at how chemical techniques have helped solve the mystery of the Portrait of Alexander Mornauer.
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FeatureChemistry unearths the secrets of the Terracotta Army
Simon Rees discovers how the Terracotta Warriors’ deadly arrows were made
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Lesson planMurder 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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ResourceLaboratory 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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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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Lesson planOrganic molecules day
Students produce and analyse a simple aromatic compound using analytical techniques. Includes kit list, safety instructions and suggested timings
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ResourceChewing Gum: Laboratory Exercise
This laboratory-based resource consists of an investigation into the composition of flavourings chemicals present in chewing gum.
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The MoleA nose for trouble
Ian Le Guillou finds out how new technology and chemistry are catching up with sniffer dogs in the race to rescue people trapped in disaster zones
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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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ResourceOn This Day - Oct 27 : Spectroscope was invented
A spectroscope is a prism-based device which separates light into its different wavelengths. Gustav Kirchhoff initially used it to study the spectral “signature” of various chemical elements, allowing the identification of a new element if a new spectrum was observed.
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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 – Sep 01 : Francis William Aston born
Aston developed the mass spectrometer, a device that separates molecular fragments of different mass and measures them with remarkable accuracy. Using the spectrometer, he discovered that neon had two isotopes, 20Ne and 21Ne, and was awarded the 1922 Nobel Prize for this work.
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ResourceOn This Day – Aug 15 : Mass spectrometer built
The spectrometer used electromagnetic focusing to exploit very slight differences in the mass of isotopes, which affects the separation for the elements or compounds. Aston used this to discover the two isotopes of neon, 20Ne and 21Ne. He was awarded the 1922 Nobel Prize in Chemistry for this work.
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ResourceOn This Day – Jul 29 : Isidor Isaac Rabi was born
He discovered the phenomenon of nuclear magnetic resonance (NMR) while researching molecular beams in 1938. Eight years later, Felix Bloch and Edward Purcell used Rabi’s work to invent the NMR spectrometer, a highly useful tool for analysing molecules.
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