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Advice on purchasing and storing concentrated nitric acid (65-70%). Similar bottles & caps are suitable for other concentrated mineral acids.
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This guide contains information about how to 3D print a replacement protective end cap for your ZP1481 GM tube. 
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Various activities often need a 20 cm3 or 60 cm3 syringe full of gas. At CLEAPSS, gases such as oxygen, carbon dioxide and even hydrogen have been stored for many days in a syringe fitted with a cap.
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This zip-file contains a 3D model - GMEndCap.stl - see GL361 for more details. 
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The ‘shelf-life’ of a reagent depends on its chemical properties, how it is stored and how frequently the container is opened, thus exposing the reagent to air, moisture and other contaminants. Over t.. more
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This practical procedure describes how to safely decant concentrated nitric acid from the plastic bottle in which it was supplied into a new glass bottle. The same procedure can be used when decanting.. more
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The most common chemical storage concerns are to do with storing flammable and corrosive liquids, including the potential for flammable and other harmful vapours and the risk of fire and being overcom.. more
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This document describes the methods of aseptic technique to be used by teachers, technicians and students for effective microbiology, e.g. handwashing, swabbing surfaces, flaming, in microbiology.. more
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This document gives step by step instructions to construct the ionisation chamber used on the CLEAPSS radioactivity courses.
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A simple to make piece of equipment that is useful for igniting rockets, or controlled explosions.
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Showing results 1 to 10 of 96
1 234