Abstract
Using a modified method for alleviation of base line hump and short acquisition time, aluminum-27 nuclear magnetic resonance studies were carried out on the accumulated aluminum in intact plant tissue. Hydrangea sepals and leaves of 3 species of the family Theaceae gave aluminum signals at 10 s- 20 ppm. This implies that the forms of aluminum are hexacoordinated complexes. The spin lattice relaxation times were 0.4 s- 1.0 ms. The spectra showed that both hydrangea sepals and tea leaves contained more than two forms of aluminum.
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Nagata, T., Hayatsu, M. & Kosuge, N. Direct Observation of Aluminum in Plants by Nuclear Magnetic Resonance. ANAL. SCI. 7, 213–215 (1991). https://doi.org/10.2116/analsci.7.213
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DOI: https://doi.org/10.2116/analsci.7.213