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RI利用
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In Kaken there is one of the few radiation controlled area in the Ibaraki area. We can carry out the tests, researches and various radioactivity analyses involving radioactive isotopes.
Please contact us for more information by e-mail.
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Radioactivity analysis on environmental samples, and migration tests
River water, lake water, soil, food (vegetables, meat, fish, etc.)
 
Development of test and technology involving radioisotopes
Behaviour test based on RI tracer, etc.
 
Surveys related to decommissioning processes
Radioactive contamination analyses
 
Development of technology for the processing of radioactive wastes
Dry decontamination, wet decontamination, etc.
 
Production and sale of radioactive sources
・α-sources calibration standards for ZNS scintillators
・Standard radiation sources for the calibration of Ge-semiconductor detectors
・Standards for liquid scintillation
Radiation controlled area plan
Radiation controlled area plan
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Authorization for the handling of nuclear fuel material,  22文科科Number8548
Authorization for the handling of solutions containing radioisotopes, 
水使 Number 176
Authorization for the retailing of solutions containing radioisotopes,  
水販 Number 31
RI室
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Equipment in the radiation controlled area

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ゲルマ 液シン
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Ge-semiconductor detector (for γ-measurements)
Low energy x-ray γ-ray detector [LEPS]
Low background gas-flow counter (for low-level β? measurements)
NaI detector (for γ-measurements)
GM detector (for β and γ measurements)
ZnS detector (for α-measurements)
Liquid scintillation analyser (for β-measurements) [LSC]
Surface barrier detector spectrometer (for α-measurements) [SSB]
GM Survey meters (for β and γ measurements)
Ion Chamber Survey Meter (for β and γ measurements)
Proportional Survey Meter (for α-measurements)
Atomic absorption spectrophotometer  [AA]
Spectrophotometer (UV / VIS)
X-ray diffractometer [XRD] 
Inductively coupled plasma mass spectrometer [ICP-MS]
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Authorised handling of nuclear fuel related nuclides and associated authorised quantity
Nuclide Yearly authorised quantity Chemical form
Natural uranium and its compounds 450g (as amount of U) Metallic uranium
Uranium oxide
Uranyl nitrate
Uranyl acetate
Depleted uranium and its compounds 300g (as amount of U)
Low-enriched uranium and its compounds 100g (as amount of U)
Thorium and its compounds 900g (as amount of Th) Thorium nitrate
Plutonium and its compounds 300g (as amount of Pu) Plutonium oxide
Plutonium nitrate
Plutonium chloride
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For information about the not hermetically sealed radioisotopes types and quantities handled, click here (updated to April, 2015)
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