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U, As and W in USGS Manganese Nodule Standards Nod-A-1 and Nod-P-1 |
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| Authors: | H KUNZENDORF R GWOZDZ |
| Institution: | RisøNational Laboratory, Postboks 49, DK-4000 Roskilde, Denmark |
| Abstract: | New analytical data on three elements are presented for the two USGS manganese nodule reference materials, Nod-A-1 and Nod-P-1. Arsenic and tungsten were determined by instrumental neutron activation analysis, and uranium by delayed-néutron counting. |
| Keywords: | |