Page 70 - AEQUITAS VOL 2
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         and  expert  consultation,  enabling                  Methodologies

         systematic  evidence  collection  and
                                                               And Techniques
         interpretation-      critical    for    both

         national and international security.
                                                              Nuclear forensics uses a mix of destructive
         PRINCIPLES              AND          CORE            and non-destructive techniques

         CONCEPTS                                                  Mass spectrometry techniques
                                                                        1.Thermal  ionization  MS  (TIMS):

         This discipline rests on three pillars:                           Ideal  for  precise  isotopic  analysis
                                                                           but labour-intensive preparation.
              Material signatures- intrinsic                            2.Multi-collector  inductively  coupled

              properties like isotopic ratios,                             plasma       MS       (MC-ICP-MS):
              trace elements, and                                          Faster,  simultaneously  measures

              microstructural features act as a                            multiple  isotopes,  but  requires
              unique “fingerprint” for nuclear                             meticulous  sample  preparation

              material.                                                    and stable equipment.



              Chain of custody- secure evidence                    Neutron  activation  analysis  (NAA):
              handling from collection to court                    Enables  non-destructive,  multi-element
              ensures integrity and                                quantification  across  various  sample

              admissibility.                                       types. While accurate, it renders samples
                                                                   radioactive  post-analysis  and  relies  on

              Interdisciplinary approach-                          limited reactor factor access.
              scientists, law enforcement, and
                                                                   Gamma  ray  spectroscopy:  An  effective
              legal experts work together to
                                                                   tool  for  detecting  isotopes  like  ^232U,
              interpret results in a security and
                                                                   revealing  the  history  of  irradiation  or
              judicial context.
                                                                   reprocessing,       crucial      for     source

                                                                   attribution.


         Case Studies Of
                                                                   Advanced        imaging      and     resonance
                                                                   techniques:  Emerging  methods  such  as
         Nuclear
                                                                   combined            nuclear          resonance
         Forensics                                                 fluorescence       imaging       and      muon

                                                                   tomography  allow  rapid,  non-invasive
         Georgia  HEU  Smuggling  Incidents                        identification      and     localization      of
         (2003 & 2006)                                             concealed nuclear materials.



         After the collapse of the Soviet Union
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