微区XRF技术分析无机元素在植物中的原位分布

林梵宇, 尹希杰, 梁毓娜, 黄杰超

Analysis of In Situ Distribution of Inorganic Elements in Plants by Micro-XRF

Fanyu Lin, Xijie Yin, Yuna Liang, Jiechao Huang

表1 不同条件下的微区XRF面扫结果

Table 1 Micro-XRF area scanning results under different conditions

Vacuum (%) Vented (%) Dwell time (ms) 200 50 30 10 200 50 30 10 Mg 4.6 4.6 4.6 4.7 4.7 5.2 5.1 4.7 Al 2.3 2.4 2.3 2.3 3.6 3.1 3.6 3.9 Si 1.4 1.3 1.4 1.5 0.6 0.5 0.6 0.6 P 0.7 0.7 0.8 0.8 0.2 0.2 0.2 0.3 S 2.1 2.1 2.2 2.2 0.6 0.6 0.6 0.6 K 13.7 13.6 13.7 13.7 12.8 12.6 12.8 12.4 Ca 38.2 38.9 39.3 39.4 36.5 36.5 37.2 36.2 Cr 3.6 3.6 3.6 3.5 3.6 3.4 3.6 3.8 Mn 3.4 3.4 3.4 3.3 3.4 3.5 3.3 3.6 Fe 11.8 11.6 11.2 11.5 14.4 14.6 13.6 13.4 Ni 1.6 1.6 1.5 1.5 2.2 2.1 2.2 2.5 Cu 2.0 2.0 1.9 1.9 2.8 2.6 2.8 2.9 Zn 1.6 1.6 1.5 1.5 2.1 2.1 2.0 2.4 As 0.5 0.4 0.4 0.4 0.8 0.5 0.6 0.7 Cd 9.1 9.0 9.0 8.7 6.8 7.2 6.6 7.0 Pb 3.3 3.3 3.1 3.1 5.1 5.3 5.2 5.0