Hyphenation of C18 Gel Silica Column and Flow Injection withInductively Coupled Plasma-Mass Spectrometry andIts Application on the Seawater Analysis
- VernacularTitle:碳18键合硅胶柱-流动注射-电感耦合等离子体质谱联用技术及其在海水分析中的应用
- Author:
Chaoyong YANG
;
Xihong WU
;
Shen GU
;
Zhixia ZHUANG
;
Xiaoru WANG
- Publication Type:Journal Article
- From:
Chinese Journal of Analytical Chemistry
2001;29(3):283-286
- CountryChina
- Language:Chinese
-
Abstract:
An online enrichment-separation system of C18 and inductively coupled plasma-mass spectrometry (ICP/MS) with flow injection （C18-FI-ICP/MS） was established for the determination of trace heavy metals in seawater. The optimized experimental parameters including pH，C18 column，concentration of methol in elute and the velocity of elute were investigated. This system was applied to the online preconcentration , separation and determination of trace heave metals in seawater samples successfully. The detection limit (3σ) for Cd, Pb, Co, Ni and Zn was 0.03, 0.09, 0.1, 0.1, 0.3 μg/L respectively. The RSD of Cd, Pb, Co, Ni, and Zn for six measurements of seawater was 6.8%，3.4%，1.3%，2.6%，0.5%，respectively. The accuracy was verified with spiked recovery test. The recovery for five elements was 91.3%，95.1%，100.4%，100.3%，95.2%, respectively.
