引用本文:
张必成. 石墨探针采样/石墨炉原子吸收光谱测定大气微粒物质中的痕量铁[J]. 应用化学,
1994, 11(2): 85-88.
Citation: 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, 11(2): 85-88.
Citation: 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, 11(2): 85-88.
石墨探针采样/石墨炉原子吸收光谱测定大气微粒物质中的痕量铁
English
Determination of Trace Iron in Atmospheric Particulate Matter by Graphite Probe Filter Collection and Graphite Furnace Atomic Absorption Spectrometry
Abstract:
Trace amount of iron in atmospheric particulate matter has been directly deter-mined by graphite probe furnace atomic absorption spectrometry after collection with agraphite 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 0~100 ng/ml and no memory effect.Thecharacteristic mass and detection limit of iron were 14.6pg and 24.0pg,respectively.
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