Producing Laboratory: TERC
Vendor: IAEA
Cotton Cellulose

Cotton cellulose powder (IAEA-V-9) was prepared at the IAEA Laboratories Seibersdorf. This material was γ-sterilized to ensure long-term stability of the material by inhibiting microbial action.

AnalyteValueUnit95% C.I.NR/I/C
Al44mg/kg13 - 5310I
Ba9mg/kg6 - 127R
Br0.17mg/kg0.08 - 0.317I
Ca240mg/kg220 - 26015R
Cd0.002mg/kg0.001 - 0.006 3I
Cl600mg/kg490 - 6409R
Cr0.11mg/kg0.08 - 0.147R
Cu0.59mg/kg0.47 - 0.9414R
Fe11mg/kg7 - 1515I
Hg0.06mg/kg0.04 - 0.085R
Mg53mg/kg46 - 6711R
Mn0.15mg/kg0.12 - 0.2115R
Mo0.034mg/kg0.03 - 0.0493R
Na56mg/kg49 - 6418R
Ni0.09mg/kg0.07 -0.183R
Pb0.25mg/kg0.22 - 0.334R
Sc0.009mg/kg0.007 - 0.013I
Se0.015mg/kg0.008 - 0.0183I
Sm0.003mg/kg0.002 - 0.0043I
Sr0.65mg/kg0.54 - 0.967R
V0.09mg/kg0.07 - 0.15I

(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).