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Instructions on how to make a holder for carbon rod electrodes.
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This edition includes notes on the SciTech technicians' 'chat line', a DIY method for clearing blocked gas taps, what the word 'dilute' might mean in the context of school chemical solutions, the ban ..
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Advice on how to have your carbon dioxide cylinder refilled and a short list of companies known to provide this service.
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Clear instructions for building two versions of a cloud chamber. One uses dry ice as the cooling agent, the other uses an inexpensive electronic coolers which is quite simple to make.
words matched: carbon, rod
Instructions on how to make a conductivity indicator for chemical solutions and materials.
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Instructions on how to make microscale electrolysis apparatus.
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This demonstration shows preparation of nylon, where solutions of 1,6- diaminohexane in water and an acid chloride in an immiscible solvent are brought together. The nylon polymer forms at the interfa..
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A simple protocol used to show that leaves have been photosynthesising by testing for starch.
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Extracted and refreshed from section 12 of Handbook, includes a range of traditional dynamics investigations, with instructions and explanations.
words matched: carbon, rod
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..
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Showing results 1 to 10 of 300
