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Isotope Generator

QS_RLBR.GIF (2244 bytes)

NRC 30.18 Exempt quantities (narrative)
NRC 30.71 Schedule B Exempt Quantity Radionuclide Regulations (Table)
MSDS/Data Sheet for Sources

This Cs-137/Ba-137m Isotope Generator is used to conduct experiment in schools and universities to demonstrate the properties of radioactive decay. Based on the original Union Carbide patented design, it offers exceptional performance combined with ease of use and safe operation.

Click here to see a Half-Life Experiment using the 137Cs/137mBa Isotope Generator.

                           Spectrum Techniques Isotope Generator                

Each generator contains 10uCi. of Cs-137 which represents one Exempt Quantity making if free from specific State and Federal licensing. The generator can produce up to 1000 small aliquots of the short lived Ba-137m isotope with a half-life of 2.6 minutes. Each generator is supplied with 250 ml of eluting solution (0.9% NaCl) and additional solution may be ordered separately. The parent isotope Cs-137 with a half-life of 30.1 years beta decays (94.6%) to the metastable state of Ba-137m. This further decays by gamma emission (662 keV) with a half-life of 2.6 minutes to the stable Ba-137 element. During elution, the Ba-137m is selectively "milked" from the generator leaving behind the Cs-137 parent. Regeneration of the Ba-137m occurs as the Cs-137 continues to decay, re-establishing equilibrium in less than 1 hour.

Click to enlarge

Approximately 30 minutes after elution, the residual activity of the Ba-137m sample has decayed to less than one thousandth of its initial activity making it safe for disposal. When used with the eluting solution supplied, bleed through of the parent Cs-137 is less than 50 Bq/ml, affording a long working life. Each kit is supplied with the generator, syringe, tube, 250ml of eluting solution and a convenient storage case.

ORDER:

ISO = Isotope Generator Kit. 10 uCi.
ELSN = Extra Eluting Solution. 250 ml.
CC100 = Bag of 100 planchets, 1" diameter.


CC100 Click to enlarge

Download an Isotope Generator Manual, click here

Other manuals, here

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