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Citation: XIE Fa-Zhi, XIE Zeng-Hong, YE Fang-Gui. FAAS Determination of Lead(Ⅱ) Separated and Concentrated Using a Manual-controlled Injection Separator[J]. Chinese Journal of Applied Chemistry, ;2004, 21(12): 1273-1276. shu

FAAS Determination of Lead(Ⅱ) Separated and Concentrated Using a Manual-controlled Injection Separator

1.
Department of Chemistry, Fuzhou University, Fuzhou 350002

Corresponding author: XIE Zeng-Hong,
Received Date: 30 December 2003
Available Online: 11 April 2004
Fund Project: "十五"国家重大科技专项(2001BA804A26) (2001BA804A26)福建省重大科技项目(2003Y005) (2003Y005)福建重大攻关项目(2002Y051) (2002Y051)福建省自然科学基金(D0310010) (D0310010)

A 5 mL disposable separator syringe, a connector and a micro-column is fabricated for the separation and concentration of Pb²⁺ for its subsquent FAAS determination. The flow rates of samples could be controlled manually by a disposable syringe. A 5 mL of sample solution(pH=3.30) is injected through the micro-column filled with SDG in about 30 seconds and the adsorbed Pb²⁺ is eluted by 5 mL of 2 mol/L HCl in the same flow rate. The average recovery of Pb²⁺ is up to 96.95%, RSD is 3.33%(n=22)and pre-concentration factor is 200 for Pb. It can be applied to the separation and concentration of a large volume of sample solution containing trace amounts of Pb²⁺.
- separator,
- separation and pre-concentration,
- Pb²⁺
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