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饮茶具有多种功效 ,因为茶叶中许多无机元素对人体健康是有益的。茶叶中的有益元素锰和有害元素铅已逐渐被人们所重视。然而寻找一种准确、快速的测定方法尤为重要。1 试验部分1 .1 仪器与试剂MP- 1型溶出分析仪 (山东电讯七厂 )JCZ- A旋转玻碳电极饱和甘汞电极和铂电极铅和
Drinking tea has many effects, because many inorganic elements in tea are good for human health. Beneficial elements in tea, manganese and harmful elements of lead have gradually been valued by people. However, finding an accurate and rapid method of determination is particularly important. 1 Experimental Section 1.1 Instruments and Reagents MP-1 Dissolution Analyzer (Shandong Telecommunication Plant No. 7) JCZ-A Rotating Glassy Carbon Electrode Saturated calomel electrode and platinum electrode Lead and