ORTEC (AMETEK)
ORTEC
ORTEC Am-1C
Alpha calibration source
- Radionuclide
- ²⁴¹Am
- Nominal activity
- 0.1 µCi
- Calibration
- Within 1 % of absolute disintegration rate
8 referenced values
Illustration – product photo not available
Exempt Quantity Radioactive Sources
Check sources for energy calibration in 2.5 cm plastic disks
Small radioactive check sources for energy calibration, mounted in 2.5 cm diameter sealed plastic disks. The activities are within the exempt quantities of the US USNRC 30.71 Schedule B. The sources are manufactured by Spectrum Techniques in Oak Ridge and sold by ORTEC in sets of three, five or eight sources.
- Use
- Check sources for energy calibration1
- Format
- Sealed plastic disks, 2.5 cm diameter1
- Licensing
- Exempt from USNRC and US State licensing; no special storage or disposal requirements there1
- Source manufacturer
- Spectrum Techniques, Oak Ridge (USA)1
Download product sheet (PDF)All values with references – for tender documents
Specifications checked against the manufacturer’s documents on 2026-10-17
Overview
Specifications
The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.
| Use | Check sources for energy calibration1 |
|---|---|
| Format | Sealed plastic disks, 2.5 cm diameter1 |
| Licensing | Exempt from USNRC and US State licensing; no special storage or disposal requirements there1 |
| Source manufacturer | Spectrum Techniques, Oak Ridge (USA)1 |
| Available nuclides | ¹³³Ba, ¹⁰⁹Cd, ¹³⁷Cs, ⁵⁷Co, ⁶⁰Co, ⁵⁴Mn, ²¹⁰Po, ²²Na, ⁹⁰Sr, ²⁰⁴Tl, ⁶⁵Zn and ²¹⁰Pb; standard activity 0.1–5 µCi per source1 |
| Source sets outside the USA | RSS3UN: ²¹⁰Po 0.1, ⁹⁰Sr 0.1 and ⁶⁰Co 0.5 µCi; RSS5EU: ²¹⁰Po 0.1, ⁹⁰Sr 0.1, ²⁰⁴Tl 0.25, ⁶⁰Co 1 and ¹³⁷Cs 0.25 µCi; RSS8UN: ¹³³Ba, ¹⁰⁹Cd, ⁵⁷Co, ⁶⁰Co, ²²Na and ⁶⁵Zn 1 µCi each, ¹³⁷Cs 0.1 and ¹⁵²Eu 0.5 µCi; RSS8EU: as RSS8UN but ¹³⁷Cs 0.25 µCi1 |
The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.
Sources
The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.
- 1
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