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We have updated and revised our guidance in light of the 2014 Explosives Regulations. These do change what schools are able to do in Science.We have worked closely with experts in the explosives indus.. more
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Risk assessment information about red phosphorus. For white/yellow phosphorus, see Hazcard 73A.
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Risk assessment information for white (or yellow) phosphorus. See Hazcard 73B for red phosphorus).
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Risk assessment information for potassium nitrate(V) and sodium nitrate(V). Includes information about sodium nitrate(V) solutions. Do not confuse these compounds with the nitrite salts, i.e. potassiu.. more
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This edition includes notes on the transit of Venus June 2004, unblocking lab gas taps, the introduction of the DSEAR (Dangerous Substances and Explosive Atmospheres) Regulations, and two incidents in.. more
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- A positive editorial- New arrangement for re-newing membership- Sterilising with pressure cookers- A 'world' without technicians- Updated method for the howling Jelly Baby- Making and disposing of n.. more
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Instructions, including control measures, for preparing and demonstrating this interesting explosive substance.
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The following list of contractors is not an ‘approved’ list, but ones we know will deal with 2,4-DNP(H), and other such explosive chemicals in schools.
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Instructions, including risk assessed control measures, for safely demonstrating the explosive burning of a 1:2 methane/oxygen mixture.
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Gun cotton was an early form of explosive used in guns. These instructions, with control measures, provide a safe procedure to make and burn one type of gun cotton.
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