CLEAPSS Supporting practical science and technology
CLEAPSS Resources
Latest Resources
Search For:
Showing results 1 to 10 of 25
1 23

Members only resource Click to download Document.
In this edition are notes on the supply of cheap but poor quality chemicals, poor quality Bunsen burners, relocating chemicals during and after a refurbishment, a useful technician tip on a way of tem.. more
words matched: purity

Members only resource Click to download Document.
A short overview of the common methods of water purification in school laboratories, include pros and cons. This will be useful for any teacher or technician looking to buy a new water purification sy.. more
words matched: purity

Members only resource Click to download Document.
Gives very detailed guidance on what water purification entails, and when pure water is needed in school science. It suggests the advantages and disadvantages of the methods of purification available .. more
words matched: purity

Members only resource Click to download Document.
Guidance on the preparation of potassium iodate(V) solutions. For the preparation of a standardized solution (for accurate titration work), see Recipe 94.
words matched: purity

Members only resource Click to download Document.
Guidance and information on a range of chemicals, chemistry topics and apparatus including handling chemicals, chemical reactions, gas cylinders and syringes, molecular models, plastics, advanced chem.. more
words matched: purity

Members only resource Click to download Document.
Risk assessment guidance for hydrated and anhydrous copper sulfate.
words matched: purity

Members only resource Click to download Document.
Provides templates for diultion streaking, and describes how to do it.
words matched: purity

Members only resource Click to download Document.
It is becoming increasingly difficult to determine the composition of food dyes in an unknown mixture, because formulations have been altered over time, and, as a consequence, the results never match .. more
words matched: purity

Members only resource Click to download Document.
Small-scale method for determining the mass loss when heating a hydrated salt to constant mass (of anhydrous salt). The method, which uses a mini spirit burner and an alternative crucible, reduces the.. more
words matched: purity

Members only resource Click to download Document.
Guidance on the preparation (and use) of a number of standard solutions required for some titration activities. Solutions described include: sodium carbonate (for standardising strong acid solutions),.. more
words matched: purity

Showing results 1 to 10 of 25
1 23