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昆明冶金高等专科学校学报 ›› 2021, Vol. 37 ›› Issue (3): 26-.DOI: 10.3969/j.issn.1009-0479.2021.03.005

• 冶金技术与材料 • 上一篇    下一篇

火焰原子吸收法测定高铁闪锌矿中低含量钢

李 理1,王锦亮2,宁门翠1,彭 莉1,吴文彬1   

  1. (1.昆明冶金高等专科学校环境与化工学院,云南 昆明 650033;2.云锡集团文山锌钢冶炼有限公司,云南 马关663701)
  • 收稿日期:2021-02-26 出版日期:2021-06-13 发布日期:2023-12-12
  • 作者简介:李 理 (1979-),男,云南石屏人,副教授,工学硕士,主要从事环境检测与污染治理技术研究

Determination of Low Content Indium in High-Iron Sphalerite by Flame Atomic Absorption Method

LI Li1,WANG Jinliang2,NING Mencui1 ,PENG Li1, WU Wenbin1   

  1. (1. Faculty of Environmental and Chemical Engineering, Kunming Metallurgy College, Kunming 650033, China;2. Wenshan Zinc Indium Smelting Co. , Itd. of Yunnan Tin Group, Maguan 663701, Yunnan, China)
  • Received:2021-02-26 Online:2021-06-13 Published:2023-12-12

摘要: 针对高铁闪锌矿组成复杂,对矿石中低含量的测定干扰因素多等特点,建立了火焰原子吸收法测定高铁闪锌矿中低含量的方法。方法检出限为0.001 pg/mL,试样质量浓度在0.01 ~10 g/m 范图内与吸光度值A呈线性关系,线性方程相关系数r=0.999 93,不同加标量样品的加标回收率在98.1%101.4%之间,不同含量样品测定结的相对标准偏差在0.34% ~0.84%之间,方法准确度和精密度均能够满足要求。

关键词: 火焰原子吸收法, 高铁闪锌矿, 铟, 测定方法

Abstract:

In view of the complex composition of high-iron sphalerite and many interference factors for thedetermination of low-content indium in the ore, a flame atomic absorption method was established to determine the low-content indium in high-iron sphalerite. The detection limit of the method is 0.001 ugmL, and the concentration of indium sample is in the range of 0.01 ~ 10 ug/ml. It represents a linearrelationship with the absorbance value A and the correlation coefficient of the linear equation is 0. 999 93.The recovery rate of different spiked samples is 98. 1% to 101. 4% , and the relative standard deviation ofthe determination results of different content samples is 0. 34% ~0. 84%. The accuracy and precision ofthe method can thus meet the requirements.

Key words:  flame atomic absorption method, high-iron sphalerite: indium, analytical method

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