Determination of phosphorous and phosphoric acids in Air by ion chromatography and capillary isotachophoresys

O. N. Obrezkov; O. V. Krokhin; A. Yu. Makarov

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Determination of phosphorous and phosphoric acids in Air by ion chromatography and capillary isotachophoresys

机译：离子色谱-毛细管等速电泳法测定空气中的磷和磷酸

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Aerosols of phosphorous and phosphoric acids were extracted from air using a paper filter with a pore size of 0.2 #mu#m and determined by ion chromatography and capillary isotachophoresys. The recovery was higher than 96%. Phosphorous acid is oxidized by air to phosphoric acid. The fraction of oxidized H_3PO_3 increases upon decreasing its concentration and comes to 20% at the concentration 0.2 #mu#m~3. Ion chromatography and capillary isotachophoresys are compared in their main analytical characteristics.

机译：使用孔径为0.2＃μm的纸滤器从空气中提取亚磷酸和磷酸的气溶胶，并通过离子色谱法和毛细管等速电泳法测定。回收率高于96％。亚磷酸被空气氧化成磷酸。氧化的H_3PO_3的分数随其浓度的降低而增加，在浓度为0.2＃mu＃m〜3时达到20％。比较了离子色谱和毛细管等速电泳的主要分析特征。

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《Журнал аналитической химии》 |1998年第6期|共4页
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O. N. Obrezkov; O. V. Krokhin; A. Yu. Makarov;
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1. Determination of phosphorous and phosphoric acids in Air by ion chromatography and capillary isotachophoresys [J] . O. N. Obrezkov, O. V. Krokhin, A. Yu. Makarov Журнал аналитической химии . 1998,第6期

机译：离子色谱-毛细管等速电泳法测定空气中的磷和磷酸
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7. Determination of phosphoric and silicic acids in aqueous solution by high-speed liquid chromatography using solvent extraction of the molybdoheteropoly acid [O] . Norio ICHINOSE 1978

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Determination of phosphorous and phosphoric acids in Air by ion chromatography and capillary isotachophoresys

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