Rod sources
The products shown on these pages are representative sources used for common applications.If you cannot find the product with your specifications, please contact us using the corresponding email contact on this website.In most cases we will be able provide you with a solution meeting your requirements.You can also use our product request forms. The type R rod is used for calibrating well type NaI(Tl) detectors. It is constructed of high strength plastic and is offered in three sizes: 5” high x 0.625” diameter (127 mm x 15.9 mm), 5” high x 0.5” diameter (127 mm x 12.7 mm) and 2.95” x 0.5” diameter (74.9 mm x 12.7 mm). The active diameter of the rod standard is 0.187” (4.75 mm).
Overall Dimensions:
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Product information – Single Nuclides
Nuclide |
Catalog number |
Half-Life |
Major Photon Emmissions [keV] |
Available Activities |
Am-241 |
GF-241-x |
432.17 y |
59.5 (36%), 11-20 (39.5%) Np L x-rays |
5 nCi-100 µCi185 Bq-3.7 MBq |
Sb-124 |
GF-124-x |
60.20 d |
602.7(97.9%), 722.8(10.9%), 1690.9(47.6%) |
5 nCi-100 µCi185 Bq-3.7 MBq |
Sb-125 |
GF-125A |
1007.7 d |
428(29.7%), 464(10.5%), 601(17.7%), 607(5%), 636(11.2%),27-32(75.1%) Te K x-rays |
5 nCi-100 µCi185 Bq-3.7 MBq |
Ba-133 |
GF-133-x |
3862 d |
80(34.1%), 303(18.3%), 356(61.9%), 32-37(53.2%) Cs K x-rays |
5 nCi-100 µCi185 Bq-3.7 MBq |
Be-7 |
GF-007 |
On request |
||
Bi-207 |
GF-007-x |
1.16 x 104 d |
570(97.7%), 1064(74.5%), 9-15(32.5%), Pb L x-rays, 72-88(77.7%)Pb K x-rays |
5 nCi-100 µCi185 Bq-3.7 MBq |
Cd-109 |
GF-109-x |
462.6 d |
88(3.6% from Ag-109 m), 22-26(99.4%) Ag K x-rays |
50 nCi-1 mCi1.85 kBq-37 MBq |
Ce-139 |
GF-139-x |
137.640 d |
33.03(22.8%), 33.4(41.9%), 165.9(79.9%), 33-39(80%) La x-rays |
5 nCi-10 µCi185 Bq-370 kBq |
Ce-141 |
32.5 d |
not available |
||
Cs-134 |
GF-134-x |
754.28 d |
563(8.4%), 569(15.4%), 605(97.6%), 796(85.4%) |
5 nCi-100 µCi185 Bq-3.7 MBq |
Cs-137 |
GF-137-x |
30.17 y |
662(85.1% from Ba-137), 32-37(7.2%) Ba K x-rays |
5 nCi-1 mCi185 Bq-37 MBq |
Cr-51 |
GF-051-x |
27.706 d |
320(9.86%), 4.9-5.4(22.8%) V K x-rays |
25 nCi-500 µCi925 Bq-18.5 MBq |
Co-57 |
GF-057-x |
271.79 d |
14(9.2%), 122(85.6%), 136.5(10.7%), 6.4-7.1(57.9%) Fe K x-rays |
5 nCi-100 µCi185 Bq-3.7 MBq |
Co-60 |
GF-060-x |
5.272 y |
1173(100%), 1333(100%) |
5 nCi-100 µCi185 Bq-3.7 MBq |
Eu-152 |
GF-152-x |
4933 d |
122-1408, 40-47(74%) Sm +Gd x-rays |
|
Eu-154 |
GF-154-x |
3136.8 d |
123-1597, 42-50(25.6%) Gd x-rays |
25 nCi-100 µCi925 Bq-3.7 MBq |
Gd-153 |
GF-153-x |
242 d |
97(29.5%), 103(21.1%), 40-49(122%) Eu K x-rays |
10 nCi-100 µCi370 Bq-3.7 MBq |
Ge-68 |
GF-068-x |
270.8 d |
511(178%), 1077(3.2%) from Ga-68, 9.2-10.4(44.1%) Ga K x-rays,8.6-9.6(4.7%) Zn K x-rays |
100 nCi-100 µCi3.7 kBq-3.7 MBq |
Ho-166m |
GF-166-x |
1200 y |
81-1427, 48-58(37.6%) Er K x-rays |
10 nCi-10 µCi370 Bq-370 kBq |
I-125 |
GF-125-x |
59.43 d |
35(6.58%), 27-32(139%) Te K x-rays |
10 nCi-10 µCi370 Bq-370 kBq |
I-129 |
GF-129-x |
1.57 x 107 y |
40(7.5%), 29-35(70.4%) Xe K x-rays |
50 nCi-1 µCi1.85 kBq-37 kBq |
Fe-59 |
GF-059-x |
44.51 d |
1099(56.3%), 1292(43.7%) |
5 nCi-100 µCi185 Bq-3.7 MBq |
Mn-54 |
GF-054-x |
312.3 d |
835(100%), 5.4-5.9(25.6%) Cr K x-rays |
5 nCi-100 µCi185 Bq-3.7 MBq |
Hg-203 |
GF-203-x |
46.595 d |
279.2(81.5%) |
10 nCi-50 µCi370 Bq-1.85 MBq |
Ra-226 |
GF-226-x |
1600 y |
47-2448 (includes daughters) |
50 nCi-10 µCi1.85 kBq-370 kBq |
Ru-106 |
GF-106-x |
1.020 y |
512(20.7%), 622(9.8%) from Rh-106 |
25 nCi-100 µCi925 Bq-3.7 MBq |
Se-75 |
GF-075-x |
119.64 d |
121(17.1%), 136(58.8%), 265(59%), 280(25%), 10.5-12.0(56.8%)As K x-rays |
5 nCi-100 µCi185 Bq-3.7 MBq |
Ag-110m |
GF-110-x |
249.8 d |
657.8(94.4%), 884.6(72.6%) |
5 nCi-50 µCi185 Bq-1.85 MBq |
Mock I-131 |
GF-131-x |
~5 y |
356(from Ba-133), 662(from Cs-137/Ba-137) |
50 nCi-100 µCi1.85 kBq-3.7 MBq |
Na-22 |
GF-022-x |
950.8 d |
511(178%), 1275(100%) |
5 nCi-100 µCi185 Bq-3.7 MBq |
Sr-85 |
GF-085-x |
64.849 d |
514(98.4%), 13.3-15.3(58.7%) Rb K x-rays |
5 nCi-100 µCi185 Bq-3.7 MBq |
Th-228 |
GF-228-x |
698.2 d |
84-2614 (includes daughters) |
50 nCi-10 µCi1.85 kBq-370 kBq |
Sn-113 |
GF-113-x |
115.09 d |
392(64% from In-113 m), 24-28(96.8%) In K x-rays |
5 nCi-100 µCi185 Bq-3.7 MBq |
U-235 |
GF-235-x |
7.037 x 108 y |
143(10.5%), 186(53%), 90-105(10.8%) Th K x-rays |
10 nCi-100 nCi370 Bq-3.7 kBq |
U-238 (U-nat) |
GF-238U-x |
4.468 x 109 y |
26-2448 (includes daughters) |
10 nCi-35 nCi370 Bq-1.29 kBq |
Y-88 |
GF-088-x |
106.630 d |
898(94%), 1836(99.4%), 14.1-16.2(61.6%) Sr K x-rays |
5 nCi-100 µCi185 Bq-3.7 MBq |
Zn-65 |
GF-065-x |
244.26 d |
1116(50.6%), 8.0-8.9(38.7%) Cu K x-rays |
5 nCi-100 µCi185 Bq-3.7 MBq |
Zr-95 |
GF-095-x |
64.02 d |
724(44.1%), 757(54.5%) |
10 nCi-50 µCi370 Bq-1.85 MBq |
Product information – Source Sets
Catalog number |
Available Activities |
Sets Consist Of |
|
GF-290-0.1x |
0.1 µCi each/ 3.7 kBq each |
Ba-133, Cd-109, Co-57, Co-60, Cs-137, Mn-54 and Na-22 |
|
GF-290-0.1x |
1 µCi each/ 37 kBq each |
Ba-133, Cd-109, Co-57, Co-60, Cs-137, Mn-54 and Na-22 |
|
GF-290-0.1x |
10 µCi each/ 370 kBq each |
Ba-133, Cd-109, Co-57, Co-60, Cs-137, Mn-54 and Na-22 |