硫化矿石中钴的测定方法探究  

EXPLORATION OF THE DETERMINATION METHOD OF COBALT IN SULFIDE ORES

作　　者：杨怀云 YANG Huai-yun(MNR Key Laboratory of Sanjiang Metallogeny and Resources Exploration and Utilization,Kunming 650051;Yunnan Key Laboratory of Sanjiang Metallogeny and Resources Exploration and Utilization,Kunming 650051;Central Lab,Yunnan Exploration and Development Bureau of Geology and Mineral Resources,Kunming 650217)

机构地区：[1]自然资源部三江成矿作用及资源勘查利用重点实验室,昆明650051 [2]云南省三江成矿作用及资源勘查利用重点实验室,昆明650051 [3]云南省地质矿产勘查开发局中心实验室,昆明650217

出　　处：《云南地质》2025年第1期171-174,共4页Yunnan Geology

摘　　要：本文通过对钴常规测定方法的优化,在硫化矿石样品的前处理的过程中,加入少量氯酸钾消除硫化物和有机质的影响,通过王水和氢氟酸消解样品。在稀盐酸介质中,用火焰原子吸收分光光度计测定硫化矿石试样中的钴。本方法安全高效,方法检出限低,准确度高,精密度好,适用于岩石矿物中高硫样品钴的检测。An optimized method was developed for cobalt determination in sulfide ores.Potassium chlorate was added during sample pretreatment to eliminate sulfide and organic interference.Samples were digested with aqua regia and hydrofluoric acid,followed by flame atomic absorption spectrophotometry(FAAS)analysis in dilute hydrochloric acid medium.This method shows low detection limits,high accuracy,and good precision,and is suitable for cobalt determination of high-sulfur samples.

关 键 词：硫化矿石 氯酸钾 原子吸收分光光度法 钴 

分 类 号：O657.31[理学—分析化学]