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陈永乐提出在硫酸—氯化钠底液中,用经典极谱仪导数部份借铜对碲的催化作用测定3.2×10~(-8)M Te。并采用了砷共沉淀予分离干扰元素步骤,我们在此基础上进行了极谱法直接测定微量碲的试验。试验表明,以导数示波极谱可以直接测定铜精砂、硫精砂、尾砂、硒粉等试样中的碲。灵敏度与该文提出的相符。实验部份 1.仪器及试剂 JP—IA型示波极谱仪,成都仪器
Chen Yongle proposed in the sulfuric acid - sodium chloride bottom solution, with the classical polarographic derivative part of the copper by the catalytic effect of tellurium Determination of 3.2 × 10 ~ (-8) M Te. And the arsenic coprecipitation was used to separate the interfering elements. On the basis of this, we conducted a direct polarographic method for the determination of trace tellurium. Experiments show that the derivative oscillopolarography can be directly measured copper concentrate, sulfur concentrate, tailings, selenium and other samples of tellurium. Sensitivity and the proposed line. Experimental part 1. Instruments and reagents JP-IA oscilloscope polarography, Chengdu instruments