All Separation articles – Page 4
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ResourceVacuum filtration
When a solid needs to be isolated from a solution it is normally done at a reduced pressure using a Buchner flask and Buchner funnel. Video: Vacuum filtration video
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ResourceSpace: science ideas webs
A web of suggested ideas for linking science with the topic space. You can learn history and science together with activities for different age groups.
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ResourceAncient Egypt: science ideas webs
A web of suggested ideas for linking science with the topic Ancient Egypt. You can learn history and science together with activities for different age groups.
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ResourceThe Vikings: science ideas webs
A web of suggested ideas for linking science with the topic the Vikings. You can learn history and science together with activities for different age groups.
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ResourceThe golden age of Islamic science: science ideas webs
A web of suggested ideas for linking science with the topic the golden age of Islamic science. You can learn history and science together with activities for different age groups.
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ResourceWorld War II: science ideas webs
A web of suggested ideas for linking science with the topic World War II. You can learn history and science together with activities for different age groups.
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ResourceNa Lochlannaich: lìontan nam beachdan saidheans
Lìon nam beachdan mollaichte airson ceangal a dhèanamh eadar saidheans agus an cuspair na Lochlannaich. Faodaidh tu eachdraidh agus saidheans ionnsachadh còmhla le gnìomhachasan airson buidhnean de dh’aoisean diofraichte
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ResourceAn Dàrna Cogadh: lìontan nam beachdan saidheans
Lìon nam beachdan mollaichte airson ceangal a dhèanamh eadar saidheans agus cuspair An Dàrna Cogadh. Faodaidh tu eachdraidh agus saidheans ionnsachadh còmhla le gnìomhachasan airson buidhnean de dh’aoisean diofraichte
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ResourceManufacturing sodium carbonate by the Solvay process
An account of the Solvay process. This resource is part of the ‘Sodium carbonate – a versatile material’ resources collection, which presents learning material based on the manufacture and uses of sodium carbonate made by the Solvay (ammonia-soda) process.
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Class experimentColourimetric determination of copper ore
Use this practical to introduce students to the determination of copper ore by colourimetry using copper(II) sulfate. Includes kit list and safety instructions.
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Class experimentPurifying an impure solid
Purify alum as an example of obtaining a pure chemical from an impure sample in this class practical. Includes kit list and safety instructions.
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Class experimentLeaf chromatography
Try this class practical to use paper chromatography to separate and investigate the pigments in a leaf. Includes kit list and safety instructions.
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ResourceThe isolation of the platinum group metals │16–18 years
A comprehension exercise on the solvent extraction of platinum, supported by a demonstration of the partition of iodine between two solvents
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Class experimentPreparing an insoluble salt in a precipitation reaction
Produce an insoluble salt precipitate by reacting two soluble metal salts together in this class experiment. Includes kit list and safety instructions.
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DemonstrationRecovering water from a solution using a condenser
Use this demonstration to show how pure water can be recovered from copper sulfate solution using a condenser. Includes kit list and safety instructions.
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Class experimentCarbon filtration and activated charcoal
Try this practical to remove objectionable tastes and odours from water using carbon in the form of activated charcoal. Includes kit list and safety instructions.
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Class experimentSeparating salts from seawater
Try this simple practical to show that seawater contains a mixture of different salts. Includes kit list and safety instructions.
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Class experimentExtracting copper from copper(II) carbonate
Use this practical to produce copper from copper(II) carbonate, modelling the extraction of copper from malachite. Includes kit list and safety instructions.
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DemonstrationWhat are the dissolved solids in seawater?
Analyse the salts that crystallise from evaporating seawater, illustrating cation and anion tests in this demonstration. Includes kit list and safety instructions.
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Class experimentRecovering water from copper(II) sulfate solution
Try this practical to introduce students to aqueous solutions by distilling water from copper(II) sulfate solution. Includes kit list and safety instructions.