These solid detectors in reasonable sizes (e.g., 5.08 cm × 5.08 cm or greater for Na I(Tl) detector) have reasonable efficiencies for detecting the 478 ke V photons and, if used in conjunction with a multichannel analyzer (or even a single-channel analyzer), have the great advantage of allowing gamma energy discrimination so that the specific gamma ray of interest may be measured to the exclusion of other gamma emitters of different energies.
For field measurements of Be on surfaces or distributed in other media, a portable Na I(Tl) detector (often 2.54 cm × 2.54 cm or 5.08 cm × 5.08 cm) and associated ratemeter or digital scaler would be a good choice.
As a free element it is a steel-gray, strong, lightweight and brittle alkaline earth metal.
Beryllium increases hardness and resistance to corrosion when alloyed with aluminium, cobalt, copper (notably beryllium copper), iron and nickel.
There are also portable gamma spectrometer instruments available for field measurements that allow energy discrimination to separate the radionuclide of interest from other possible interfering radionuclides.
The most portable of these are commonly Na I(Tl) based but others, including portable germanium systems, are available.
The information provided is not a substitute for professional advice and should not be relied upon in the absence of such professional advice.
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But it is the metal in which the US has most of the rest of the world at its mercy.
This dominance should be a model for other metals but the doomsters in Washington would be unlikely to know that the US has this advantage.
Some Chemistry Beryllium is the chemical element with the symbol Be and atomic number 4.
To convert these to traditional units we have prepared a conversion table. The information posted on this web page is intended as general reference information only.
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It is a relatively rare element in both the universe and in the crust of the Earth.