DIRECT OBSERVATION OF ALUMINUM IN PLANTS BY NUCLEAR-MAGNETIC-RESONANCE

被引：15

作者：

NAGATA, T ^{[1
]}

HAYATSU, M ^{[1
]}

KOSUGE, N ^{[1
]}

机构：

[1] NATL RES INST VEGETABLES ORNAMENTAL PLANTS & TEA,HAIBARA,SHIZUOKA 428,JAPAN

来源：

ANALYTICAL SCIENCES | 1991年 / 7卷 / 02期

关键词：

NUCLEAR MAGNETIC RESONANCE; ALUMINUM; HYDRANGEA-MACROPHYLLA; CAMELLIA-SINENSIS; THEACEAE;

D O I：

10.2116/analsci.7.213

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

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 10-20 ppm. This implies that the forms of aluminum are hexacoordinated complexes. The spin lattice relaxation times were 0.4-1.0 ms. The spectra showed that both hydrangea sepals and tea leaves contained more than two forms of aluminum.

引用

页码：213 / 215

页数：3

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