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钢中铜的测定多采用比色法。由于大量铁的存在,电分析方法测定钢中铜需要进行较复杂的分离手续。电位溶出分析是一种新的分析技术。将沉积在汞膜电极上的金属用氧化剂氧化。记录E～t曲线进行定量,溶出时间取决于溶液中氧化剂的浓度。为了保证测量方法有高的灵敏度,尽可能降低氧化剂的用量。汞离子和溶解氧是常用的氧化剂,Danielsson等人在大量硝基化合物存在下测定Cu、Pb、Cd、Zn等元素。用带有微处理机的仪器进
Determination of copper in steel more colorimetry. Due to the presence of large amounts of iron, the electroanalytical method for the determination of copper in steel requires more complicated procedures for separation. Potential dissolution analysis is a new analytical technique. The metal deposited on the mercury film electrode is oxidized with an oxidizing agent. Record E ~ t curve for quantification, dissolution time depends on the concentration of oxidant solution. In order to ensure that the measurement method has high sensitivity, as much as possible to reduce the amount of oxidant. Mercury and dissolved oxygen are commonly used oxidizers. Danielsson et al. Determined Cu, Pb, Cd, Zn and other elements in the presence of large quantities of nitro compounds. With the instrument with a microprocessor into