57 research outputs found

    Adsorption saturation curve of CM-α-CD-Fe<sub>3</sub>O<sub>4</sub> nanoparticles to five phenylarsonic acids.

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    <p>5 mg adsorbent was used for each solution. Adsorption time was 30 min. Desorption was in water for 10 min. (n = 3, with RSD<5.7%).</p

    Concentration (µg/L) of coexisting analogues when tolerance factor less than 5%.

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    <p>Concentration (µg/L) of coexisting analogues when tolerance factor less than 5%.</p

    The likely interactions between CM-α-CD-Fe<sub>3</sub>O<sub>4</sub> and the acids p-APAA and p-NPAA.

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    <p>The likely interactions between CM-α-CD-Fe<sub>3</sub>O<sub>4</sub> and the acids p-APAA and p-NPAA.</p

    Effect of adsorption solvent on the adsorption efficiency of five phenylarsonic acids.

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    <p>The concentration of each phenylarsonic acids was 50 ng/mL. Adsorption time was 30 min. 5 mg adsorbent was used. (n = 3, with RSD<4.5%).</p

    MRM chromatogram of five arsenical compounds standards at 2.0 µg/L.

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    <p>MRM chromatogram of five arsenical compounds standards at 2.0 µg/L.</p

    TEM images of magnetic Fe<sub>3</sub>O<sub>4</sub> nanoparticles (a) and CM-α-CD-Fe<sub>3</sub>O<sub>4</sub> nanoparticles (b).

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    <p>TEM images of magnetic Fe<sub>3</sub>O<sub>4</sub> nanoparticles (a) and CM-α-CD-Fe<sub>3</sub>O<sub>4</sub> nanoparticles (b).</p

    Recovery of different concentrations of phenylarsonic acids (ROX). (n = 3, with RSD<5.0%).

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    <p>Recovery of different concentrations of phenylarsonic acids (ROX). (n = 3, with RSD<5.0%).</p

    Analytical parameters of MS/MS.

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    <p>Analytical parameters of MS/MS.</p

    Effect of CM-α-CD amount used in modification on the adsorption efficiency of phenylarsonic acids (ROX). (n = 3, with RSD<6.5%).

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    <p>Effect of CM-α-CD amount used in modification on the adsorption efficiency of phenylarsonic acids (ROX). (n = 3, with RSD<6.5%).</p

    Analytical performance data with UPLC-MS/MS.

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    <p>x: the concentration of five phenylarsonic acids, y: peak area. LOD = 3 S/N of blank chicken tissues sample.</p><p>Analytical performance data with UPLC-MS/MS.</p
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