All Separation articles
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CPDHow to teach chromatography at post-16
Everything you need to help your students master the fundamentals of this analytical technique
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ResourceChromatography challenge | 16–18 years
Explore analytical techniques and their applications with a chromatography investigation and research activity
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PracticalSimple distillation | practical videos | 14–16 years
Video and resources showing how to separate water from a coloured solution
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PracticalPaper chromatography | practical videos | 14–16 years
Video and resources showing how to separate colours in inks using paper chromatography
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ProjectHard water challenge | Chemistry for All project | 14–16 years
Investigate the relationship between the concentration of calcium ions and the ‘hardness’ of water
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ResourceThin-layer chromatography and analgesics | 16–18 years
Explore the use of painkillers and their other effects: antipyretic, anti-inflammatory and antirheumatic. Includes kit list and safety instructions.
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ResourcePractical planning: spot the mistakes | 14–16 years
Use these exam-style questions to check your learners’ understanding of experimental skills and strategies
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FeatureDecomposition in daily life
Introduce your students to some applications of decomposition reactions: clean energy, bleach and baking
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FeatureEverything you need to teach fractional distillation
With this poster and classroom activity, your 14–16 students will soon be experts
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IdeasHow to use models to boost understanding
Help students make sense of the chemistry they can’t see with memorable representations
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Topic webUisce a spáráil agus truailliú i dtimthriall an uisce | 7–9 mbliana
Nasc do theagasc curaclaim faoi uisce agus timthriall an uisce le comhthéacsanna spéisiúla inbhuanaitheachta. Sa ghréasán topaicí seo, moltar gníomhaíochtaí ranga a bhaineann le truailliú i dtimthriall an uisce, an chaoi a nglantar uisce agus an chaoi a n-úsáidfimis níos lú uisce.
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Topic webArbed dŵr a llygredd yn y cylch dŵr | 7–9 oed
Cysylltwch eich darpariaeth addysgu ar gyfer y cwricwlwm ynghylch dŵr a’r cylch dŵr â chyd-destunau cynaliadwyedd diddorol. Mae’r we pynciau hon yn awgrymu gweithgareddau yn yr ystafell ddosbarth ynghylch llygredd yn y cylch dŵr, sut mae dŵr yn cael ei lanhau a sut gallwn ni ddefnyddio llai ohono.
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ResourcePlant-based proteins | 16–18 years
Name common amino acids and draw the structural formulas of dipeptides and tripeptides in this resource for 16-18 year old learners before considering how thin layer chromatography can be used to separate and analyse amino acids in a mixture.
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Topic webSaving water and pollution in the water cycle | 7–9 years
Connect your curriculum teaching on water and the water cycle to engaging sustainability contexts. This topic web suggests classroom activities on pollution in the water cycle, how water is cleaned and how we can use less of it.
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IdeasTeach justice and cooperation through chemistry
Link forensic science and the Covid-19 pandemic to your lessons on instrumental analysis, separation techniques, data interpretation and health with UN sustainable development goals 16 and 17
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IdeasAdd sustainable management of water to your existing lessons
Quick and simple tips and activities to link UN sustainable development goal 6 to separation techniques, potable water and more
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FeatureDecaffeination – how does it work?
Organic solvent, supercritical carbon dioxide or water? A knowledge of solvents and solutions is essential for removing caffeine from your daily cuppa
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NewsRecycling lithium from electric vehicle batteries
Start a lesson with news of a mechanochemical recovery method that’s better for the environment
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ResourceTidy and sort
This package provides an opportunity for the children to investigate a variety of ‘mixtures’ and the means by which they are best separated. The activities are put in context using a storybook, in which two sisters are presented with tubs of mixed objects to sort out. One of the sisters always wants to find the easiest way to sort the objects, and the other sister begins to use the same approach.