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IAEA-156

Clover   Out of stock!
Organic   Vegetation

The clover sample IAEA-156 was harvested within a small geographical region in Austria in the summer of 1986. It was anticipated that the material would be contaminated with radioactive fallout resulting from the Chernobyl incident in April 1986. This material was γ-sterilized to ensure long-term stability of the material by inhibiting microbial action.

Reference date for decay correction: 1986-08-01

AnalyteValueUnit95% C.I.NR/I/C
134Cs132Bq/kg126 – 13848R
137Cs264Bq/kg254 – 27448R
40K657Bq/kg637 – 67640R
90Sr14.8Bq/kg13.4 – 16.320R
(Value) Concentration calculated as a mean of the accepted laboratory means
(N) Number of accepted laboratory means which are used to calculate the recommended or 
    information values and their respective confidence intervals
(R/I/C) Classification assigned to the property value for analyte (Recommended/Information/Certified)

The values listed above were established on the basis of statistically valid results submitted by laboratories which had participated in one or more international interlaboratory comparisons organized by the Chemistry Unit, IAEA Laboratories, Seibersdorf. The details concerning the criteria for qualification as a recommended or information value can be found in the respective report (attached).


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