All Analysis articles – Page 3
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ResourceUltraviolet–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.
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ResourceMass spectrometry (MS)
Mass spectrometry is a powerful technique in the modern analytic laboratory. Learn the fundamental theory behind the operation of a mass spectrometer.
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ResourceNuclear 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.
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ResourceSmartphone spectrometer
Make your own spectrometer with a DVD and a smartphone camera. This resource includes teacher, technician, and student guides.
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NewsHealthy mice start to smell like sick ones
Sniffer mice and chemical analysis suggest that sickness odours are contagious
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ExperimentThe determination of copper in brass
Try this microscale class practical to investigate how much copper there is in brass using nitric acid. Includes kit list and safety instructions.
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ExperimentBrady’s test for aldehydes and ketones
Identify aldehydes and ketones using Brady’s reagent (2,4-dinitrophenylhydrazine) in this microscale experiment. Includes kit list and safety instructions.
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ExperimentUnsaturation test with potassium manganate(VII)
Use a solution of potassium manganate to test for unsaturation in organic compounds in this microscale practical. Includes kit list and safety instructions.
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ExperimentTesting for unsaturation with bromine on a microscale
Try this class experiment to prepare elemental bromine and use it to test for unsaturation in organic compounds. Includes kit list and safety instructions.
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ExperimentOxygen and methylene blue
Reacting hydrogen peroxide, and potassium manganate together will produce detectable oxygen so by using methylene blue solution, and a gas generating apparatus students can test for the presence of oxygen in this practical. Includes kit list and safety instruction.
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ResourceFinding out how much salt there is in seawater
Use the microscale titration apparatus to titrate silver nitrate solution against sea water
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ExperimentMeasuring the amount of vitamin C in fruit juices
Explore ascorbic acid in fruit juices through titration in this experiment, with specimen results and calculations, stock solutions, and detailed notes included.
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ExperimentAnalysis of aspirin tablets on a microscale
Try this microscale class practical to analyse aspirin tablets and find out how much salicylic acid is present. Includes kit list and safety instructions.
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ResourceQualitative analysis quizzes
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 ...
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CPDMaking measurements
Help your students use appropriate apparatus to make and record a range of measurements
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ResourceTeach 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.
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CPDEvaporation, filtration and crystallisation
How to add variety and context to lessons while getting students familiar with apparatus
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SoundbiteA state secret leak is helping to solve the Skripal poisoning
The role of scientist whistle-blowers from Russia