基于CIELAB色彩空间的无二次污染闪锌矿成分测定新方法

IF 18.7 1区 材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY
SusMat Pub Date : 2023-10-01 DOI:10.1002/sus2.161
Yong Liu, Ning Duan, Linhua Jiang, Hongping He, Han Cheng, Jiaqi Liao, Yanli Xu, Wen Cheng, Ying Chen, Guangbin Zhu, Fuyuan Xu
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引用次数: 0

摘要

目前,大多数矿物材料分析方法都会产生二次污染,不利于人体健康。例如,锌冶炼行业中闪锌矿分析的传统方法包括化学滴定法、原子吸收光谱法和电感耦合原子发射光谱法。分析过程中使用有色指示剂和有毒重金属,造成严重污染。有些方法将液体转化为气态等离子体,对人体健康危害更大。由于闪锌矿的大量使用,二次污染不容忽视。本研究提出了一种基于比色法的闪锌矿检测绿色分析方法,该方法不会产生二次污染。结果表明,铁(Fe)对Zn具有较强的取代能力,导致两者含量呈负相关。随着铁含量的增加,晶格参数降低,导致颜色变深。在这里,L*、a*和b*的关键比色参数与Zn和Fe含量呈明显的线性相关。与传统方法相比,该方法对环境友好,具有较高的灵敏度和准确性。相对误差小于10%,相对标准偏差小于5%。本研究为其他矿物材料的无公害测定提供了重要参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A new method to determine composition of sphalerite without secondary pollution based on CIELAB color space
Abstract Currently, most of the methods for mineral materials analysis generate secondary pollution, which is detrimental to human health. For instance, traditional methods for sphalerite analysis in the zinc (Zn) smelting industry including chemical titration, atomic absorption spectrometry, and inductively coupled atomic emission spectroscopy. Colored indicators and toxic heavy metals are used in the analytical processes, causing severe pollution. For some methods, liquid is transformed into gaseous plasma, which is more dangerous to human health. Due to large quantities of sphalerite being used, secondary pollution cannot be ignored. This study proposes a green analysis method for the detection of sphalerite based on colorimetry, which does not generate secondary pollution. The results show that the strong substitution ability of iron (Fe) for Zn contributes to their inverse correlation in contents. The lattice parameters decrease with the increasing Fe content, resulting in a darker coloration. Here, key colorimetry parameters of L*, a*, and b* show clear linear correlations with the Zn and Fe contents. Compared with traditional approaches, this new method is environmental friendly with high sensitivity and accuracy. The relative error and relative standard deviation were less than 10% and 5%, respectively. This study provides a significant reference for nonpollution determination of other mineral materials.
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来源期刊
自引率
4.20%
发文量
0
期刊介绍: SusMat aims to publish interdisciplinary and balanced research on sustainable development in various areas including materials science, engineering, chemistry, physics, and ecology. The journal focuses on sustainable materials and their impact on energy and the environment. The topics covered include environment-friendly materials, green catalysis, clean energy, and waste treatment and management. The readership includes materials scientists, engineers, chemists, physicists, energy and environment researchers, and policy makers. The journal is indexed in CAS, Current Contents, DOAJ, Science Citation Index Expanded, and Web of Science. The journal highly values innovative multidisciplinary research with wide impact.
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