Eckert & Ziegler Isotope Products Resource Center
Discover a comprehensive array of medical resources, tools, FAQs and distributors to help you elevate patient care and healthcare practices.
Source Application Guides
Find the proper source for your scanners and cameras by using these up-to-date guides.
- GE Medical Systems Source Application Guide
- Phillips Healthcare Source Application Guide
- Siemens Healthcare Source Application Guide
- United Imaging Source Application Guide
- Other Manufacturers Application Guides
Need assistance with finding a source?
Decay Chart Generator
Do you want to know or have the need to determine the current radioactivity value of your source? Or do you want to determine your source’s remaining radioactivity? Eckert & Ziegler has an easy-to-use decay chart generator that will help you see where your source is in its lifespan and when your source will need to be replaced.
Radioactivity Unit Converter
Converting Curies to Becquerels and vice versa can be accomplished easily with the right tool. One curie (1 Ci) is equal to 3.7 × 1010 radioactive decays per second, which is roughly the amount of decays that occur in 1 gram of radium per second and is 3.7 × 1010 becquerels (Bq).
Product Literature
Here are helpful resources for learning more about the many products we offer.
Frequently Asked Questions
PET, PET/CT & PET/MR FAQs
How do I know what source goes with my Siemens Biograph TruV?
EZIP provides a camera cross-reference sheet in the Application Guide under the “resource center” section of this website. The sheets, broken down by camera manufacturer, will have all flood source options as well as OEM-recommended nominal source activities.
I can’t find what I am looking for online. Are there other options available?
EZIP manufactures sources for different types of modalities and can customize almost any of its existing products. Please contact us for pricing and availability on any custom source.
I have extra source(s) I want to return. Can you take them back?
EZIP can take back most nuclear medicine sources / isotopes beyond the one-for-one disposal program for a cost. Please contact us for additional information.
I have a fillable phantom that I have been using for QC. Can you turn that into a long lived source?
We can convert your fillable phantom to a long-lived source! Contact your local dealer for more information.
What are the technical specifications of your source(s)?
We will provide to you a source data sheet, specific to your source, which will outline uniformity specifications, reference date and recommended replenishment dates.
I have a need for a QC source that I don’t see listed on your cross-reference sheet. Do you offer customized sources?
We can manufacture SPECT sources for custom needs or applications. Please contact us directly for additional information.
I see that your cross-reference guide recommends a different activity than what I currently have. Why is that?
Our sources are manufactured to OEM specifications. Activities for all sources have been reviewed and approved by the OEM. It has been our experience that some items have various activities, sometimes based on the country. We will manufacture your replacement source at the activity you wish to receive.
What is your exchange policy for any new purchases?
We will take back your spent source on any new purchase on a one-to-one exchange. All return authorization numbers, return instructions and other documents will be sent with the new source. This policy is only active for sources shipped in North America. International shipments will incur a disposal fee charge. Please contact us for pricing outside of North America.
I didn’t get a return kit with my new source. What do I do?
Please go to the “Source Returns” section of this website for a printable version of our return kits.
SPECT & SPECT/CT FAQs
How do I know what sources go with my Siemens Symbia?
EZIP provides a camera cross-reference sheet in the Application Guide under the “resource center” section of this website. The sheets, broken down by camera manufacturer, will have all flood source options as well as OEM-recommended nominal source activities.
I can’t find what I am looking for on your website. Are there other options available?
EZIP manufactures sources for different types of modalities and can customize almost any of its existing products. Please contact us for pricing and availability on any custom source.
I have extra source(s) I want to return. Can you take them back?
EZIP can take back most nuclear medicine sources / isotopes beyond the one-for-one disposal program for a cost. Please contact us for additional information.
I have a fillable phantom that I have been using for QC. Can you turn that into a long lived source?
We can convert your fillable phantom to a long-lived source! Contact your local dealer for more information.
What are the technical specifications of your source(s)?
We will provide to you a source data sheet, specific to your source, which will outline uniformity specifications, reference date and recommended replenishment dates.
I have a need for a QC source that I don’t see listed on your cross-reference sheet. Do you offer customized sources?
We can manufacture SPECT sources for custom needs or applications. Please contact us directly for additional information.
I see that your cross-reference guide recommends a different activity than what I currently have. Why is that?
Our sources are manufactured to OEM specifications. Activities for all sources have been reviewed and approved by the OEM. It has been our experience that some items have various activities, sometimes based on the country. We will manufacture your replacement source at the activity you wish to receive.
What is your exchange policy for any new purchases?
We will take back your spent source on any new purchase on a one-to-one exchange. All return authorization numbers, return instructions and other documents will be sent with the new source. This policy is only active for sources shipped in North America. International shipments will incur a disposal fee charge. Please contact us for pricing outside of North America.
I didn’t get a return kit with my new source. What do I do?
Please go to the “Source Returns” section of this website for a printable version of our return kits.
Co-57 Flood Sources FAQs
How do I know what flood source goes with a Siemens E- Cam.
EZIP provides a camera cross-reference sheet in the Application Guide under the “resource center” section of this website. The sheets, broken down by camera manufacturer, will have all flood source options as well as OEM-recommended nominal source activities.
I can’t find what I am looking for on your website. Are there other options available?
EZIP manufactures sources for different types of modalities and can customize almost any of its existing products. Please contact us for pricing and availability on any custom source.
I have extra source(s) I want to return. Can you take them back?
EZIP can take back most nuclear medicine sources / isotopes beyond the one-for-one disposal program for a cost. Please contact us for additional information.
I just ordered a Peflexion flood source. Will the source crack, crease, flake, curl or tear over time?
No. The Perflexion™ active element material was custom-formulated for EZIP to meet the demands of years of use and abuse. You can fold, bend, crush and pull this material without deforming or damaging the source, and it will not crease, crack, flake or tear over time. In addition, the polymer “memory” ensures that the source will return to flatness even after being stored in a rolled configuration. EZIP has performed extensive fatigue testing on the polymer, and Perflexion™ shows excellent integrity and uniformity even after several working lives’ worth of fatigue.
Will my flood source come with the ProKase™?
Flood sources are not automatically shipped with a ProKase. Pricing for the ProKase is available. Send us an email or give us a call.
If I do not order a new flood source container, how will my flood source be shipped?
Flood sources are shipped in our six-sided lead Pb Shipper (standard rectangular floods) or our Pb Shipper-C (cardiac sized) floods. Both boxes are TYPE-A DOT certified.
What is your exchange policy for any new purchases?
We will take back your spent source on any new purchase on a one-to-one exchange. All return authorization numbers, return instructions and other documents will be sent with the new source. This policy is only active for sources shipped in North America. International shipments will incur a disposal fee charge. Please contact us for pricing outside of North America.
I didn’t get a return kit with my new source. What do I do?
Please go to the “Source Returns” section of this website for a printable version of our return kits.
Source Shielding FAQs
Will my flood source come with the ProKase™?
Flood sources are not automatically shipped with a ProKase. Pricing for ProKase is available. Send us an email or give us a call.
If I do not order a new flood source container, how will my flood source be shipped?
Flood sources are shipped in our six-sided lead Pb Shipper (standard rectangular floods) or our Pb Shipper-C (cardiac sized) floods. Both boxes are TYPE-A DOT certified.
How Long Should I Use My Source?
A radioactive sealed source’s recommended working life (RWL) is the manufacturer’s recommended time period within which the source design specification and integrity is guaranteed under normal conditions of use, safety being paramount. The maximum RWL for non-welded sources is two or five years depending on source configuration. Alternatively, the RWL will be approximately two half-lives if less than the two- or five-year options. For welded capsules, the RWL is 15 years or less based primarily on half-life.
Although EZIP sealed sources have been used beyond the RWL values listed below, doing so is not recommended. Disposal is recommended. The final decision on when to recalibrate/replace a source rests with the source owner. If a source shows visible damage (e.g., scratches or cracks), it should be leak/contamination tested and recalibrated or replaced as appropriate. The regulatory limit for leak test results is <5 nCi (185 Bq) for both alpha and beta-gamma activity. EZIP makes no expressed or implied warranties or guarantees about how long a source can be safely used because adverse source environmental conditions, improper use, or material incompatibility can affect a source’s appearance and/or integrity. It is the source owner’s responsibility to conduct scheduled source evaluations and leak tests using appropriate materials and methods.
NOTE: It is highly recommended to follow instrument manufacturers’ recommended replacement schedules, especially those replacement schedules less than the RWL, to maintain optimal instrument performance.
| Product Family | Nuclide | Half Life | Typical RWL |
|---|---|---|---|
| Attenuation Correction Line and Point Sources (nominal) | Na-22 | 2.6 y | 5 years |
| CO-57 | 271.79 d | 2 years | |
| Ge-68 | 270.8 d | 2 years | |
| Ba-133 | 10.57 y | 5 years | |
| Cs-137 | 30.17 y | 15 years | |
| Gd-153 | 242 d | 2 years | |
| Brachytherapy (calibrated) | Cs-137 | 30.17 y | 15 years |
| Dose Calibrator Vials (calibrated) | Co-57 | 271.79 d | 2 years |
| Co-60 | 271.79 d | 2 years | |
| Ba-133 | 10.57 y | 5 years | |
| Cs-137 | 30.17 y | 5 years | |
| Flood Sources (nominal) | Co-57 | 271.79 d | 2 years |
| Markers and Rulers (nominal) | Na-22 | 2.6 y | 5 years |
| Co-57 | 271.79 d | 2 years | |
| Gd-153 | 242 d | 2 years | |
| Medical Check Standard Sources (nominal and calibrated) | Na-22 | 2.6 y | 5 years |
| Mn-54 | 312.3 d | 2 years | |
| Co-57 | 271.79 d | 2 years | |
| Co-60 | 5.272 y | 5 years | |
| Ge-68 | 270.8 d | 2 years | |
| Cd-109 | 1.27 y | 2 years | |
| Ba-133 | 10.57 y | 5 years | |
| Cs-137 | 30.17 y | 5 years | |
| Eu-152 | 13.5 y | 5 years | |
| Quality Assurance Sources (nominal) | Na-22 | 2.6 y | 5 years |
| Co-57 | 271.79 d | 2 years | |
| Ge-68 | 270.8 d | 2 years | |
| Gd-153 | 242 d | 2 years |
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