In

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Institute of IsotopesRelated to Nuclear Safeguards,

Forensics and Environmental Monitoring(Introduction)

A. KovácsHead

Department of Radiation Safetyakovacs@iki.kfki.hu

Inst

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Institute of Isotopes (founded in 1959)

R & D Institute Technical Support OrganizationHungarian Academy of Sciences Hungarian Atomic Energy Authority

Tasks: - Basic and applied research; - To support authority tasks for HAEA- Production, application, trade of radioactive materials- Technical assistance

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Profile Changes in the Institute of Isotopes

1. Safeguards accountancy up to 1996 HAEA

2. Radioactive material registry IKI / HAEA

Production(IoI Co.Ltd.)

1993

Trading(IZINTA Co. Ltd.)

1985

Institute ofIsotopes

~ 400 employee

R & D, service

TSO

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Present R&D + Application Activities

Fundamental research

Catalytic reactions

Radiation chemistry (waste water treatment)

Nuclear physics (archeology; geology; dating)

Radioactive tracer techniques (migration studies)

Nuclear safeguards, forensics, environmental monitoring

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Technical Assistance

Central registry of radioactive materials at national level;

Evaluation of license applications for packaging and transport of radioactive material

Security of radioactive sources

Safeguards verification of nuclear material

Identification and characterization of illicit nuclear material

Studies of radiation resistance of material and equipment

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Present R&D Activities: Safeguards

Safeguards oriented

developments

Quantitative assay of neutron sources (e.g. Pu-Be)

Measurement of damaged spent fuel

Age determinationof U samples

Measurement offresh fuel

reprocessingenrichment

Characterization of spent fuel assemblies

Burn-up distribution

Swipe (bulk) samples

Single particle analysis

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Present R&D Activities: Nuclear Forensics

Identification, categorization, characterization and securing illicit nuclear material:

Characterization of seized uranium samples

Assay of Pu in Pu-Be sources

Age determination of U samples

Presence of reprocessed U

Isotopics determination

Study of detectability with interfering radioactive sources and shielding

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Present R&D Activities: Nuclear Forensics

Assay of nuclear material by PGAA

Mass spectrometry for the analysis of nuclear material of unknown origin

Retrospective dosimetry

Swipe analysis

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Present R&D Activities: Environmental Monitoring

Analysis of environmental samples: long-lived radioactive nuclides

Environmental swipe samples (bulk analysis)

Single particle analysis (LA-ICP-MS)

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Main facilities, equipments, techniques, laboratories

Gamma spectrometry (HPGe, CdZnTe,NaJ) Neutron coincidence counting Mass spectrometry (ICP-SFMS) Cold neutron beam (PGAA) Linear electron accelerator (pulsed neutron source) Chemical and TL/OSL (retrospective) dosimetry Scanning electron microscope (with XRF tube)

In collaboration within the research campus:- α- spectrometry; - X-ray fluorescence;- Particle induced X-ray emission;

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Thank you for your attention!

A. Kovacs

akovacs@iki.kfki.hu