Determination of Trace Iron in Atmospheric Particulate Matter by Graphite Probe Filter Collection and Graphite Furnace Atomic Absorption Spectrometry

Chinese Journal of Applied Chemistry ›› 1994, Vol. 0 ›› Issue (2): 85-88.

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Determination of Trace Iron in Atmospheric Particulate Matter by Graphite Probe Filter Collection and Graphite Furnace Atomic Absorption Spectrometry

Zhang Bicheng

Department of Chemistry, Hubei University, Wuhan 430062

Received:1993-08-18 Revised:1993-11-05 Published:1994-04-10 Online:1994-04-10

Abstract

Abstract: Trace amount of iron in atmospheric particulate matter has been directly determined by graphite probe furnace atomic absorption spectrometry after collection with a graphite probe filter.The method was accurate,sensitive,and rapid.It has a recovery of 98% and a precision of 3.0% RSD, being checked against the certified values of NBS SRM-1648 urban particulate matter. The concentration of iron and absorbance (Peak-area mode) showed an excellent linear relation in the range of 0～100ng/ml and no memory effect.The characteristic mass and detection limit of iron were 14.6pg and 24.0pg, respectively.

Key words: atomic absorption spectrometry, graphite probe, atmospheric particulate matter, trace iron

Zhang Bicheng. Determination of Trace Iron in Atmospheric Particulate Matter by Graphite Probe Filter Collection and Graphite Furnace Atomic Absorption Spectrometry[J]. Chinese Journal of Applied Chemistry, 1994, 0(2): 85-88.

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Determination of Trace Iron in Atmospheric Particulate Matter by Graphite Probe Filter Collection and Graphite Furnace Atomic Absorption Spectrometry

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