The formation of the complex between lead ion and immobilized xylenol orange caused a large reflected light intensity change, and lead ion in the solution can be determinated.
铅离子与固定在阴离子交换树脂上的二甲酚橙的络合反应，使试剂相光反射强度发生了很大的变化，从而使溶液中的铅离子得以测定。
Cadmium, chromium and lead in the root, branch, leaf, peel and fruit of navel orange from South Jiangxi Province were determined by ICP-AES, after the microwave digestion of the samples.
应用电感耦合等离子体质谱法测定了江西赣南地区脐橙的根、枝、叶、皮及果实中镉、铬、铅等元素，采用微波消解，直接测定。
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