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研究了PAN-S与Pd(Ⅱ)的显色反应条件,配合物的最大吸收波长于598nm处,表观摩尔吸光系数ε为1.04×10~4。Pd(Ⅱ)在0～60μg/25ml内服从比耳定律。用拟订的方法测定钯-碳催化剂扣镍-铝催化剂中Pd(Ⅱ)结果良好。
The color reaction conditions of PAN-S and Pd (Ⅱ) were studied. The maximum absorption wavelength of the complex was 598 nm. The apparent molar absorptivity ε was 1.04 × 10 ~ 4. Beer’s law was obeyed in 0 ~ 60μg / 25ml Pd (Ⅱ). The proposed method for the determination of Pd (Ⅱ) on palladium-carbon catalyst has good results for Pd-Ni catalyst.