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Use of microwave oven and nitric acid hydrogen peroxide digestion to prepare botanical materials for elemental analysis by inductively coupled argon plasma emission spectroscopy



Use of microwave oven and nitric acid hydrogen peroxide digestion to prepare botanical materials for elemental analysis by inductively coupled argon plasma emission spectroscopy



Journal of the Association of Official Analytical Chemists 68(4): 766-769



A sample preparation method was developed that provides a nitric acid-hydrogen peroxide digestion of plant tissue when it is heated internally by the oscillating electromagnetic field generated in a microwave oven. The total elemental concentration for Ba, Ca, Mg, Mn, P, K, Na, S and Zn can be determined by inductively coupled argon plasma emission spectroscopy after sample preparation in a microwave oven. The method is rapid and provides quantitative results that agree with certified values for 4 National Bureau of Standards Standard Reference Materials: 1570 spinach, 1572 citrus leaves, 1573 tomato leaves, and 1572 pine needles.

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Accession: 006879893

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