微量Pt,Pd和Rh的在线分离富集与FAAS测定

微量Pt,Pd和Rh的在线分离富集与FAAS测定

齐菊锐¹,鲍长利¹,姜桂兰¹,邹明珠¹,许宏鼎¹,吕男¹,王兴会²

1.吉林大学化学科学学院,长春,130023; 2.吉林省医药职工中等专业学校,长春,130031

收稿日期:2002-04-16 修回日期:1900-01-01
通讯作者: 许宏鼎

On-line Separation-preconcentration and FAAS Determination of Trace Pt, Pd and Rh

QI Ju-rui¹,BAO Chang-li¹,JIANG Gui-lan¹,ZOU Ming-zhu¹,XU Hong-ding¹,Lü Nan¹,WANG Xing-hui²

1.College of Chemistry , Jilin University , Changchun 130023 , China; 2.Technical Secondary School of Workers and Staff Members of Departments of Drugs Production and Affiliated Organizations of Jilin Province , Changchun 130031 , China

Received:2002-04-16 Revised:1900-01-01
Contact: XU Hong-ding

摘要/Abstract

摘要： 提出用VS-Ⅱ型碱性阴离子交换纤维流动注射在线分离富集-火焰原子吸收光谱法(FI-FAAS)测定复杂样品中的Pt,Pd和Rh的分析方法.该方法检测限低,Pt:0.064μg/mL,Pd:0.074 μg/mL,Rh:0.025μg/mL,采样频率大,可用于复杂样品中痕量贵金属的测定.

关键词: 铂, 钯, 铑, 流动注射在线分离富集-火焰原子吸收光谱法, 复杂样品

Abstract: The technique of the flow injection on-line separation and preconcentration with VS-Ⅱ type anion exchange fabric combined with flame atomic absorption spectrometry was used to determine the trace elements Pt , Pd , and Rh in complicated samples. The analyzed solution with acidity 3﹪(HCL) passed through the column at a flow rate of 4.8mL／min , the enrichment time was 40 s , Pt , Pd , and Rh on the column was eluted with thiourea at a flow rate of 2.0mL／min , and introduced into the nebulizer system of FAAS. The detection limit is 0.064 μg／mL for Pt , 0.074 μg／mL for Pd and 0.025 μg／mL for Rh , the relative standard deviation(n＝6) is less than 3﹪ , at least 55 samples can be analyzed in an hour. The method has been applied to determining trace Pt , Pd , and Rh in complicated samples with satisfactory results.

Key words: Pt, Pd, Rh, FI-FAAS, complicated sample

中图分类号:

O657

齐菊锐,鲍长利,姜桂兰,邹明珠,许宏鼎,吕男,王兴会. 微量Pt,Pd和Rh的在线分离富集与FAAS测定[J]. J4, 2002, 40(04): 408-410.

QI Ju-rui,BAO Chang-li,JIANG Gui-lan,ZOU Ming-zhu,XU Hong-ding,Lü Nan,WANG Xing-hui. On-line Separation-preconcentration and FAAS Determination of Trace Pt, Pd and Rh[J]. J4, 2002, 40(04): 408-410.

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