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本文介绍于同一底液中测定铅、锌、银的快速分析法,适于测定铅锌矿等多金属矿中0.01～5%的铅、锌及5～1000g·t~(-1)的银。试验部分一仪器与试剂 JP-1A型示波极谱仪(成都仪器厂) 日立170-50原子吸收光谱仪铅、锌标准溶液:含铅、锌均1mg·ml~(-1)。银标准溶液:0.1575g优级纯AgNO_3溶于水中,加1～2ml硝酸,移入1L棕色量瓶中,用水稀至刻度,摇匀,此溶液含Ag100μg·ml~(-1)。 HCl-NH_4Cl底液:100gNH_4Cl溶于水中,加入盐酸125ml,用水稀至1L。二试验方法取0.5mg Pb、0.5mg Zn及10μg Ag于100ml烧
This paper presents a rapid analytical method for the determination of lead, zinc and silver in the same bath. It is suitable for the determination of 0.01-5% lead, zinc and 5-1000 g · t -1 silver . Experimental part of an instrument and reagent JP-1A-type oscilloscope (Chengdu Instrument Factory) Hitachi 170-50 atomic absorption spectrometry lead and zinc standard solution: lead, zinc were 1mg · ml -1. Silver standard solution: 0.1575g excellent grade pure AgNO_3 dissolved in water, add 1 ~ 2ml nitric acid, into 1L brown volumetric flask, diluted with water to the mark, shake, the solution containing Ag100μg · ml ~ (-1). HCl-NH_4Cl bottom solution: 100gNH_4Cl dissolved in water, hydrochloric acid 125ml, dilute to 1L with water. Two test methods Take 0.5mg Pb, 0.5mg Zn and 10μg Ag in 100ml burning