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About Radioanalytical Services

Accreditation

The analyses frequently carried out by Radioanalytical Services and accredited under ISO 17025, by NATA (National Australian Testing Authority) are: gross alpha activity; gross beta activity; potassium-40; radium-226; radium-228; tritium; radon-222 and lead-210 in environmental samples, caesium-134, caesium-137 and ruthenium-103 in food samples, as detailed below.

This facility complies with the requirements of ISO/IEC 17025:2005. Our NATA accreditation number is 14442.

The scope of the accredited service is listed below:

Class of test Scope

7.84 Residues and contaminants in constituents of the environment

0.60 Ionising radiation (measurement of alpha, beta, gamma and neutron radiations)
  • Analysis of water, trade wastes, ground waters and other waters listed as determination (s) by technique (s) using method (s)-
  • Alpha activity – gross by evaporation, gas flow proportional counting using in-house RAS-SOP-0100
  • Beta activity – gross by evaporation, gas flow proportional counting using in-house RAS-SOP-0100
  • Lead-210 by liquid scintillation counting using in-house RAS‑SOP-0300
  • Potassium-40 by AAS using in-house RAS-SOP-0200
  • Radium-226 by liquid scintillation counting using in-house RAS-SOP-0300
  • Radium-228 by high resolution gamma spectrometry using in‑house RAS-SOP-0300
  • Radon-222 by liquid scintillation counting using in-house RAS‑SOP-0300
  • Tritium by liquid scintillation counting using in-house RAS‑SOP-0500

7.52 Residues and contaminants in foods and agricultural materials

0.60 Ionising radiation (measurement of alpha, beta, gamma and neutron radiations)
  • Analysis of foods listed as determination(s) by technique(s) using method(s)
  • Screening of Caesium-134; Caesium-137; Ruthenium-103 by high resolution gamma spectrometry using in-house RAS‑SOP-600

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Major equipment

  • Thirty six Canberra high resolution alpha spectrometer measurement chambers
  • Two Canberra Tennelec 5XLB gas flow proportional counters
  • Quantulus liquid scintillation counter
  • Hidex liquid scintillation counter
  • Six high resolution gamma-ray spectrometers (20 – 54% relative efficiencies)
  • Varian SpectrAA 55B atomic absorption spectrometer
  • Milestone microwave digestion system, Ethos Pro
  • Thermoline CO2 Incubator
  • Freeze dryer
  • Claisse LeNeo Fluxer

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