Abstract
An ICP-MS method for direct determination of 15 trace rare earth elements in rice was developed. Rapid and complete dissolution of rice was achieved by a microwave digestion procedure with concentrated nitric acid and hydrogen peroxide. The detection limits are 7.0-25.8pg/mL, the recoveries for spiked samples are 95-105%, RSDs are 2.3-4. 2%. This method is rapid, sensitive and accurate.
| Original language | English |
|---|---|
| Pages (from-to) | 586 |
| Number of pages | 1 |
| Journal | Guang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy and Spectral Analysis |
| Volume | 18 |
| Issue number | 5 |
| Publication status | Published - 1998 |
| Externally published | Yes |
Keywords
- ICP-MS
- Microwave digestion
- Rare earth elements
- Rice
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