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This guidance is for restoration or disposal of the lead-pot wooden boxes that are commonly used for supplying and storing 'cup-style' sealed sources in school science departments.
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Updated in 2013, this document gives detailed advice on suitable radioactive sources and appropriate suppliers.
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Several schools have told us that when detecting alpha emissions with a
GM tube, their americium‐241 source appeared to have become less
radioactive than when it was new1. The source worked as exp..
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words matched: cup-style
Restoring a cup radioactive source with a loose foil
words matched: cup-style
For decades, the standard connectors used to connect a GM tube holder cable to the counter/scaler were the PET100 plug and socket. These are now obsolete and difficult to get hold of, particularly the..
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words matched: cup-style
A suite of 3D printable accessories to perform various experiments with school radioactive sources.
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The low melting point of gallium metal is demonstrated, eg by using warm water to melt a sample or by making it into a spoon shape and showing that it melts when used to stir a cup of tea.
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- From the Director (the importance of practical work)- Return to school September 2020 guidance- Keeping your membership up to date- Alternatives to cheek cells- Food tests- Chemical store poster (go..
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Participation in the CLEAPSS/ University of Liverpool investigation of school americium sources
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CLEAPSS has received a small but steadily increasing number of calls from schools regarding a red-brown discolouring on the surface of the metal disc of their radium sealed source.
words matched: cup-style
Showing results 1 to 10 of 100
