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流动注射氢化物发生-原子吸收光谱法测定钢铁中的砷、锑
引用本文:王勇,焦凤菊. 流动注射氢化物发生-原子吸收光谱法测定钢铁中的砷、锑[J]. 光谱实验室, 2009, 26(5): 1360-1363
作者姓名:王勇  焦凤菊
作者单位:1. 洛阳理工学院环境工程与化学系,河南省洛阳市王城大道79号,471023
2. 中国一拖集团有限公司工艺材料研究所,河南省洛阳市建设路154号,471003
摘    要:研究了流动注射氢化物发生-原子吸收光谱法测定钢铁中砷、锑试验方法,即仪器工作条件、还原剂的选择、酸度、硼氢化钾浓度、共存离子的影响等条件试验。本方法测定的线性范围:砷:0.05-100μg·L^-1,回归方程为:CAs=0.047A-0.003,相关系数r=0.9996,检出限L(D(As))=0.03μg·L^-1,RSD(As)=1.12%;锑:0.05-100μg·L^-1,回归方程为:D(Sb)=0.0094A-0.0003,相关系数r=0.9996,检出限L(D(sb))=0.03μg·L^-1,RSD(Sb)=1.06%。该方法灵敏度高,测定结果准确可靠、操作方便快速,能满足钢铁中测定砷、锑的要求。

关 键 词:    氢化物  原子吸收光谱法

Determination of Arsenic and Stibium in Steel by FI-HG-AAS
WANG Yong,JIAO Feng-Ju. Determination of Arsenic and Stibium in Steel by FI-HG-AAS[J]. Chinese Journal of Spectroscopy Laboratory, 2009, 26(5): 1360-1363
Authors:WANG Yong  JIAO Feng-Ju
Affiliation:Luoyang Institute of Science and Technology;Luoyang;Henan 4710231 P.R.China;Technology and Materials Research Institute;YTO Group Corporation;Henan 471003;P.R.China
Abstract:In this paper,the arsenic and stibium in steel were determined by FI-HG-AAS. The operating conditions such as apparatus,reducing agent,acidity,concentration of KBH4,the influence of coexistent ion were optimalized. Linear relationship was obtained in the range of 0.05 to 100μg/L for arsenic with the linear regression equation of CAs= 0. 047A--0. 003,correlation coefficient of 0. 9996, detection limit of 0. 03μg·L^-1 ;and RSD of 1.12% for arsenic. The Linear relationship in the range of 0. 05 to 100μg/L for stibium with the linear regression equation of CSb = 0. 0094A--0. 0003, correlation coefficient of 0. 9996,detection limit of 0.03μg·L^-1 ,and RSD of 1.06% for stibium. This method is sensitive, accurate and credible, convenient, fast, and can meet the needs of the determination of Arsenic and stibium in steel.
Keywords:Arsenic  Stibium  Hydride  Atomic Absorption Spectrometry  
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