摘要
以EDTA为滴定剂,紫脲酸铵为指示剂,NH4F、酒石酸钾钠、Na2S2O3为掩蔽剂,在氨性介质中测定镍的浓度;在pH值为8.0的氨-氯化铵缓冲液中,采用滴定比色法测得钴的浓度。测得的数据与AAS法和模拟试样进行比较,结果理想。
Using EDTA as titratant, murexide as indicator, sodium tartrate ammonium fluoride and sodium thiosulfate as masking agent, nickle concentration was determined in ammonic medium. And cobalt was analysed in ammonium-ammonium chloride （ pH = 8 ） by using m-Chloro-azo-antipyrine （MCAA） colorimetry. The analysis method was compared with AAS and simulated sample analysis with satisfactory resalts.
出处
《应用化工》
CAS
CSCD
2007年第11期1143-1144,1156,共3页
Applied Chemical Industry
关键词
镍
钴
络合滴定法
比色法
nickle
cobalt
complexometric titration
colorimetry
