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本文采用催化极谱法,在1.5N硫酸-1.5%氯化铵-0.004M六次甲基四胺底液中测定铂。灵敏度可达2.5×10~(-10)M铂,要求矿样均匀,取样少。并拟定了用碘化钾,DDO丙酮溶剂络合铂,氯仿萃取。对本法进行了一系列实验工作,得到满意的结果。
In this paper, catalytic polarography, 1.5N sulfuric acid - 1.5% ammonium chloride -0.004M hexamethylenetetramine bottom liquid determination of platinum. Sensitivity of up to 2.5 × 10 ~ (-10) M platinum, ore samples require uniform, less sampling. And developed with potassium iodide, DDO acetone solvent complex platinum, chloroform extraction. A series of experimental work has been carried out on this law, with satisfactory results.