All Analysis articles – Page 6

Resource
Making brown ink

This practical is suitable for all pupils as part of a general introduction to coloured substances.
Resource
Defining the age of a rock or cave painting

Discover how it is possible to date rock and cave paintings, using science.
Resource
Style in cave paintings

How does the style of cave art change around the world?
Experiment
Testing for catalase enzymes

In association with Nuffield Foundation

Try this class experiment to detect the presence of enzymes as they catalyse the decomposition of hydrogen peroxide. Includes kit list and safety instructions.
Experiment
A test to distinguish between ethanol and methanol

In association with Nuffield Foundation

A class practical to distinguish between methanol and ethanol using the iodoform reaction. Includes kit list, safety instructions, procedure and teaching notes.
Experiment
Testing the hardness of water

In association with Nuffield Foundation

Try this practical with your students to measure the hardness of water samples and investigate the effect of boiling. Includes kit list and safety instructions.
Experiment
Unsaturation in fats and oils

In association with Nuffield Foundation

Use this class practical to investigate the amounts of unsaturated fats and oils in different foods. Includes kit list and safety instructions.
News
Fighting crime with covert nanowires

2015-07-03T00:00:00Z

System makes security tags that are hard to forge
News
Purely inorganic aromatic ion synthesised

2015-07-03T00:00:00Z

Aromatic anion made from nitrogen and phosphorus synthesised
Experiment
Identifying the products of combustion

In association with Nuffield Foundation

Illustrate the presence of water and carbon dioxide in the products of hydrocarbon combustion in this demonstration. Includes kit list and safety instructions.
Experiment
Chromatography of sweets

In association with Nuffield Foundation

Try this class practical to carry out chromatography using dye from different coloured Smarties® or M&M’S®. Includes kit list and safety instructions.
Experiment
Silver and lead halides

In association with Nuffield Foundation

Try this practical or demonstration to produce silver and lead halides in a series of precipitation reactions. Includes kit list and safety instructions.
Resource
Problem based practical activities

A collection of 10 practical activities where students apply their understanding of a concept to devise a solution to a ‘real-life’ scenario.
Resource
Analysis

Develop your students’ knowledge and understanding of analytical techniques with the help of games, activities, practicals and demonstrations.
Feature
The impossible water sensor

2015-05-11T00:00:00Z

Hundreds of different chemicals can ruin our water, so measuring their levels is vital. Josh Howgego investigates whether building sensors that can do the job cheaply and remotely will ever be possible
Soundbite
Dual personality of light caught on camera

2015-05-11T00:00:00Z

Is it a wave or is it a particle? We might know the answer, (Spoiler alert: it’s both!) but it is reassuring nonetheless to see the pictures that prove it, says Nina Notman
Resource
Plastics conservation - Barbie and friends

This resource provides the essential knowledge needed to keep plastic pieces in the best possible condition so that they can continue to be enjoyed for many years.
Resource
Which sodium salt is which?

Using laboratory tests identify sodium sulphate, sodium sulphite, sodium thiosulphate, sodium metabisulphite and sodium persulphate.
Resource
Which gas is which?

In the beaker are test-tubes containing different gases - carbon dioxide, dinitrogen oxide, oxygen, chlorine and hydrogen. You may remove a test-tube only once and when you do so you must identify the gas immediately.
Resource
Vintage titrations: tannin in wine

Determine the tannin concentration in the samples of wine and investigate the differences between red and white wine.