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2013•Chemistry LettersRequires access

Application of Graphene as a Sorbent for Preconcentration and Determination of Trace Amounts of Cadmium

Yunkun Wang, Yanli Dong, Jingwen Zhang, Chao Li, Jingci Li, Jing‐Jun Ma

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Abstract

Abstract A new method using a column packed with graphene as sorbent was developed for the preconcentration of trace amounts of cadmium (Cd) prior to its determination by flame atomic absorption spectrometry. Under the optimal conditions, the calibration graph was linear in the concentration range of 10.0–150.0 µg L−1 with a detection limit of 0.60 µg L−1. The relative standard deviation for ten replicate measurements of 100.0 µg L−1 of Cd was 3.25%.

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Abstract A new method using a column packed with graphene as sorbent was developed for the preconcentration of trace amounts of cadmium (Cd) prior to its determination by flame atomic absorption spectrometry. Under the optimal conditions, the calibration graph was linear in the concentration range of 10.0–150.0 µg L−1 with a detection limit of 0.60 µg L−1. The relative standard deviation for ten replicate measurements of 100.0 µg L−1 of Cd was 3.25%.

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Available abstract

Abstract A new method using a column packed with graphene as sorbent was developed for the preconcentration of trace amounts of cadmium (Cd) prior to its determination by flame atomic absorption spectrometry. Under the optimal conditions, the calibration graph was linear in the concentration range of 10.0–150.0 µg L−1 with a detection limit of 0.60 µg L−1. The relative standard deviation for ten replicate measurements of 100.0 µg L−1 of Cd was 3.25%.

Key concepts: Sorbent, Chemistry, Cadmium, Detection limit, Relative standard deviation, Calibration curve, Trace Amounts, Atomic absorption spectroscopy

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