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Bulletin 114 - Summer 2002
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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
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GL243 - Water purification buying guide
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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
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R010 - Water purification
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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
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RB109 - Potassium iodate(V)
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Guidance on how to prepare potassium iodate(V) solutions. For the preparation of a standardized solution (for accurate titration work), see Recipe 94.
words matched: purity
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Handbook - Section 13 - Chemistry Topics
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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
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HC027c - Copper salts - sulfates(VI)
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Risk assessment guidance for hydrated and anhydrous copper sulfate.
words matched: purity
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GL281 - Dilution streaking
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Provides templates for diultion streaking, and describes how to do it.
words matched: purity
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PP049 - Paper chromatography; the separation of pH indicators
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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
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PP039 - Finding the % water in a hydrated salt
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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
RB094 - Standard solutions for titration
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Guidance on how to prepare (and use) a number of standard solutions required for some titration activities. Solutions described include: sodium carbonate (for standardising strong acid solutions), pot.. more
words matched: purity
Showing results 1 to 10 of 25
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