Then trinonylamine-xylene and sodium hydroxide ultilized to extract and deextract to separate platinum,and I_2-CCl_4 extraction spectrophotometry is applied to determine platinum.
对分解后的矿样采用α-糠偶酰二肟萃取分离出钯,并用I2-CCl4萃取分光光度法测定金,再用三壬胺-二甲苯溶液和氢氧化钠溶液萃取和反萃取分离出铂,采用I2-CCl4萃取分光光度法测定铂。
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