Available Isotopes

Click on the isotope for more information.

Isotope

NRC Exempt Quantity Limit/Maximum Activity per Source

µCi

kBq

Barium 133

10

370

Cadmium 109

10

370

Carbon 14

100

3700

Cesium 137

10

370

Cobalt 57

100

3700

Cobalt 60

1

37

Europium 152

1

37

Iron 55

100

3700

Lead 210

0.01

0.37

Manganese 54

10

370

Polonium 210

0.1

3.7

Strontium 90

0.1

3.7

Sodium 22

10

370

Thallium 204

10

370

Zinc 65

10

370

Available Source Types

Disk sources are designed for use as reference sources. Typical applications include: teaching, training, research, radiation protection, and up-and-coming technologies.

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Disk sources are designed for use as reference sources. Typical applications include: teaching, training, research, radiation protection, and up-and-coming technologies.

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Laminate sources are designed for use as reference sources. They offer a convenient alternative package that is both easy to handle and store. Typical applications include: teaching, training, research, radiation protection, and up-and-coming technologies.

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(INFORMATION)

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Test tube sources are designed for use as reference sources in well type detectors or clinical instruments. Typical applications include: teaching, training, research, radiation protection, and up-and-coming technologies.

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Rod sources are designed for use as reference sources in well type detectors or clinical instruments. Typical applications include: teaching, training, research, radiation protection, and up-and-coming technologies.

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Needle sources are designed for use with cloud chambers.

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The isotope generator kit is designed specifically for demonstrating the physical properties of radioactive decay.

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Special Sources

If you have a special need or source type, please contact us at 865-482-9937 or sales@spectrumtechniques.com.

Calibrated Sources

Secondary calibrations are available for gamma emitting isotopes for an additional cost. The source will be measured against a NIST standard and has a guaranteed uncertainty of ± 5 %. A Certificate of Calibration will accompany the calibrated source. 

NOTE: Not available for all sources.

Sample Certificate of Calibration

Ordering Information:

CALCalibration on HPGe Detector (uncertainty of ± 5 %)

Certificate of Compliance

The Certificate of Compliance is a document that certifies that the exempt quantity source(s) purchased are in compliance with all applicable regulations. It includes: model number, nuclide, nominal activity, and half-life.

Sample Certificate of Compliance – Sources

Ordering Information:

CERTCertificate of Compliance

Certificate of Origin

The Certificate of Origin is a document that certifies that the source(s) purchased were manufactured in Oak Ridge, Tennessee, United States of America.

Sample Certificate of Origin

Ordering Information:

ORIGINCertificate of Origin