FI-KR Non-Separated Method Coupled with FAAS for the Determination of Fe(Ⅱ) and Fe(Ⅲ) in Water

WANG Zhong-yuan; ZHANG Hong-kang; FANG Hong-da; SU Yao-dong; Gauri S Mittal

doi:10.3964/j.issn.1000-0593(2012)03-0817-04

Journals >Spectroscopy and Spectral Analysis >Volume 32 >Issue 3 >Page 817 > Article

Spectroscopy and Spectral Analysis
Vol. 32, Issue 3, 817 (2012)

FI-KR Non-Separated Method Coupled with FAAS for the Determination of Fe(Ⅱ) and Fe(Ⅲ) in Water

WANG Zhong-yuan^1,*, ZHANG Hong-kang², FANG Hong-da¹, SU Yao-dong³, and Gauri S Mittal⁴

Author Affiliations

¹[in Chinese]

²[in Chinese]

³[in Chinese]

⁴[in Chinese]

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DOI: 10.3964/j.issn.1000-0593(2012)03-0817-04 Cite this Article

WANG Zhong-yuan, ZHANG Hong-kang, FANG Hong-da, SU Yao-dong, Gauri S Mittal. FI-KR Non-Separated Method Coupled with FAAS for the Determination of Fe(Ⅱ) and Fe(Ⅲ) in Water[J]. Spectroscopy and Spectral Analysis, 2012, 32(3): 817 Copy Citation Text

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Abstract

An FI-KR non-separated method coupled with FAAS for the determination of Fe(Ⅱ) and Fe(Ⅲ) was developed. With 60 s of sampling at a flow rate of 6.0 mL·min-1, EF of 41 for Fe(Ⅲ) and 9 for Fe(Ⅱ) were obtained. The precision（RSD， n=11） for Fe(Ⅲ) and Fe(Ⅱ) was 2.3% and 3.1% at the 0.04 mg·L-1 level respectively. When 0.1 ‰φ TEA was used as masking reagent, the recovery rate for Fe(Ⅲ) and Fe(Ⅱ) was from 97% to 101 % and from 96% to 100% respectively.

Keywords

F(Ⅱ)Fe(Ⅱ)Fe(Ⅲ)Flow injection Non-separated method

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