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Activation analysis for aluminum extracted from stripmine spoils with N NH4OAc at PH 4.8 was found to be a rapid method with high sensitivity. The analysis involved I minute of exposure of the extract to a neutron flux of 3 x 1012 cm–2 sec–1 followed by counting of the gammas of 1.78 MEV for 100 seconds.
Key Words: Strip-mine spoils
2 Graduate Assistant in Forestry and Associate Professor of Soil Technology, The Pennsylvania State University, University Park 16802.
Received for publication June 5, 1969.
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