Soil or Vegetation
Nominal 10 g Soil or
5900 g Dry Vegetation
Soil
:
Sample Digestion
HF- HNO 3—HCl
Vegetation
sample Digestion
HNO 3 -HCI-H505
HF-HNO3
Fe Scavenging
NH4OH (CO3 - free)
isolation of U on
Anion Exchange Resin
Removal of Fe with
lsopropyl Ether
E lectrodeposition
of U and Alpha Spectrometry
FIGURE 1.
FLOW CHART OF TENTATIVE PROCEDURE TO ISOLATE
ALPHA SPECTROMETRICALLY PURE U.
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