Overview - Tube 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.

Tube type sources are used in the quality control of well-type NaI detectors. For the quality control of multi-well detectors, matched sets of tube sources and multi-finger sources are available.

Please select your tube source type below:

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Tube Sources - VZ-1236

Construction

The radioactive material is homogeneously incorporated in 1ml of resin at the base of a plastic tube, 12mm in diameter and 75mm long. The rest of the tube is filled with inactive resin.

ISO classification

ISO/12/C23233

Drawing: VZ-1236-001

Ordering Information

Radionuclide	Activity [kBq]	Overall uncertainty [%] k=2	Product code (DAkks certificate)
Am-241	3.7	3	AMRB4541
Ba-133	3.7	3	BDRB4543DE
Cs-137	3.7	3	CDRB4545
Co-57	3.7	3	CTRB4547
Co-60	3.7	3	CKRB4549DE
Eu-152	3.7	3	EFRB4551
Na-22	3.7	3	SKRB4555
I-129	3.7	3	ISRB4557
I-125	3.7	3	IMRB5829¹⁾

1)Please allow 12 weeks for delivery of this source from receipt of order.

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Tube Sources Set - VZ-1236

Ordering information - source set (not calibrated)

Radionuclide	Nominal activity [kBq]	Product code
Ba-133	3.7
Cs-137	3.7
Co-57	3.7
Co-60	3.7
I-129	3.7
total nominal activity:	18.5	QCR5410DE

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Tube Sources - T-Type

The type T plastic test tube is used in clinical instrument calibrations. Each polypropylene tube contains 0.75 mL of active epoxy with the balance of the tube filled with cold epoxy. Tube sizes are 2.95” high x 0.472” diameter (75 mm x 12 mm) or 2.17” high x 0.472” diameter (55 mm x 12 mm).

Window	Nature of Active Materials
not applicable	Metallic Salts Distributed in Epoxy

Overall Dimensions:

X	Height	Diameter	Active Volume
T1	2.17” (55 mm)	0.472” (12 mm)	0.75 mL
T2	2.95” (75 mm)	0.472” (12 mm)	0.75 mL

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-10 µCi 185 Bq-370 kBq
Sb-124	GF-124-x	60.20 d	602.7(97.9%), 722.8(10.9%), 1690.9(47.6%)	5 nCi-10 µCi 185 Bq-370 kBq
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-10 µCi 185 Bq-370 kBq
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-10 µCi 185 Bq-370 kBq
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-10 µCi 185 Bq-370 kBq
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 mCi 1.85 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 µCi 185 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-10 µCi 185 Bq-370 kBq
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 mCi 185 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 µCi 925 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-10 µCi 185 Bq-370 kBq
Co-60	GF-060-x	5.272 y	1173(100%), 1333(100%)	5 nCi-10 µCi 185 Bq-370 kBq
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-10 µCi 925 Bq-370 kBq
Gd-153	GF-153-x	242 d	97(29.5%), 103(21.1%), 40-49(122%) Eu K x-rays	10 nCi-10 µCi 370 Bq-370 kBq
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-10 µCi 3.7 kBq-370 kBq
Ho-166m	GF-166-x	1200 y	81-1427, 48-58(37.6%) Er K x-rays	10 nCi-10 µCi 370 Bq-370 kBq
I-125	GF-125-x	59.43 d	35(6.58%), 27-32(139%) Te K x-rays	10 nCi-10 µCi 370 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 µCi 1.85 kBq-37 kBq
Fe-59	GF-059-x	44.51 d	1099(56.3%), 1292(43.7%)	5 nCi-10 µCi 185 Bq-370 kBq
Mn-54	GF-054-x	312.3 d	835(100%), 5.4-5.9(25.6%) Cr K x-rays	5 nCi-10 µCi 185 Bq-370 kBq
Hg-203	GF-203-x	46.595 d	279.2(81.5%)	10 nCi-50 µCi 370 Bq-1.85 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-10 µCi 185 Bq-370 kBq
Ag-110m	GF-110-x	249.8 d	657.8(94.4%), 884.6(72.6%)	5 nCi-50 µCi 185 Bq-1.85 MBq
Mock I-131	GF-131-x	~5 y	356(from Ba-133), 662(from Cs-137/Ba-137)	50 nCi-10 µCi 1.85 kBq-370 kBq
Na-22	GF-022-x	950.8 d	511(178%), 1275(100%)	5 nCi-10 µCi 185 Bq-370 kBq
Sr-85	GF-085-x	64.849 d	514(98.4%), 13.3-15.3(58.7%) Rb K x-rays	5 nCi-10 µCi 185 Bq-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-10 µCi 185 Bq-370 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-10 µCi 185 Bq-370 kBq
Zn-65	GF-065-x	244.26 d	1116(50.6%), 8.0-8.9(38.7%) Cu K x-rays	5 nCi-10 µCi 185 Bq-370 kBq
Zr-95	GF-095-x	64.02 d	724(44.1%), 757(54.5%)	10 nCi-50 µCi 370 Bq-1.85 MBq

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Tube Sources Sets - T-Type

The type T plastic test tube is used in clinical instrument calibrations. Each polypropylene tube contains 0.75 mL of active epoxy with the balance of the tube filled with cold epoxy. Tube sizes are 2.95” high x 0.472” diameter (75 mm x 12 mm) or 2.17” high x 0.472” diameter (55 mm x 12 mm).

Window	Nature of Active Materials
not applicable	Metallic Salts Distributed in Epoxy

Overall Dimensions:

X

Height

Diameter

Active Volume

T1

<

2.17” (55 mm)

0.472” (12 mm)

0.75 mL

>

T2

2.95” (75 mm)

0.472” (12 mm)

0.75 mL

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-10 µCi 185 Bq-370 kBq
Sb-124	GF-124-x	60.20 d	602.7(97.9%), 722.8(10.9%), 1690.9(47.6%)	5 nCi-10 µCi 185 Bq-370 kBq
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-10 µCi 185 Bq-370 kBq
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-10 µCi 185 Bq-370 kBq
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-10 µCi 185 Bq-370 kBq
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 mCi 1.85 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 µCi 185 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-10 µCi 185 Bq-370 kBq
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 mCi 185 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 µCi 925 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-10 µCi 185 Bq-370 kBq
Co-60	GF-060-x	5.272 y	1173(100%), 1333(100%)	5 nCi-10 µCi 185 Bq-370 kBq
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-10 µCi 925 Bq-370 kBq
Gd-153	GF-153-x	242 d	97(29.5%), 103(21.1%), 40-49(122%) Eu K x-rays	10 nCi-10 µCi 370 Bq-370 kBq
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-10 µCi 3.7 kBq-370 kBq
Ho-166m	GF-166-x	1200 y	81-1427, 48-58(37.6%) Er K x-rays	10 nCi-10 µCi 370 Bq-370 kBq
I-125	GF-125-x	59.43 d	35(6.58%), 27-32(139%) Te K x-rays	10 nCi-10 µCi 370 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 µCi 1.85 kBq-37 kBq
Fe-59	GF-059-x	44.51 d	1099(56.3%), 1292(43.7%)	5 nCi-10 µCi 185 Bq-370 kBq
Mn-54	GF-054-x	312.3 d	835(100%), 5.4-5.9(25.6%) Cr K x-rays	5 nCi-10 µCi 185 Bq-370 kBq
Hg-203	GF-203-x	46.595 d	279.2(81.5%)	10 nCi-50 µCi 370 Bq-1.85 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-10 µCi 185 Bq-370 kBq
Ag-110m	GF-110-x	249.8 d	657.8(94.4%), 884.6(72.6%)	5 nCi-50 µCi 185 Bq-1.85 MBq
Mock I-131	GF-131-x	~5 y	356(from Ba-133), 662(from Cs-137/Ba-137)	50 nCi-10 µCi 1.85 kBq-370 kBq
Na-22	GF-022-x	950.8 d	511(178%), 1275(100%)	5 nCi-10 µCi 185 Bq-370 kBq
Sr-85	GF-085-x	64.849 d	514(98.4%), 13.3-15.3(58.7%) Rb K x-rays	5 nCi-10 µCi 185 Bq-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-10 µCi 185 Bq-370 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-10 µCi 185 Bq-370 kBq
Zn-65	GF-065-x	244.26 d	1116(50.6%), 8.0-8.9(38.7%) Cu K x-rays	5 nCi-10 µCi 185 Bq-370 kBq
Zr-95	GF-095-x	64.02 d	724(44.1%), 757(54.5%)	10 nCi-50 µCi 370 Bq-1.85 MBq

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