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2002•Journal of Tangshang Teachers CollegeRequires access

Determination of Chromium Amount in Different Valence States in the Waste Water by Flame Atomic Absorption Spectrometry

Cao Ji-fu

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Abstract

A method for the determination of chromium amount in different valence states in the waste water by flame atomic absorption spectrometry was established .The detection limit was found to be 0.029mg·L-1. The relative standard deviation was 0.54%; The average recoveries of standard addition was 99.3%. The proposed method has been applied to the determination of chromium amount in different valence states in the waste water from factories with satisfactory results.

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What this paper is about

A method for the determination of chromium amount in different valence states in the waste water by flame atomic absorption spectrometry was established .The detection limit was found to be 0.029mg·L-1. The relative standard deviation was 0.54%; The average recoveries of standard addition was 99.3%. The proposed method has been applied to the determination of chromium amount in different valence states in the waste water from factories with satisfactory results.

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Available abstract

A method for the determination of chromium amount in different valence states in the waste water by flame atomic absorption spectrometry was established .The detection limit was found to be 0.029mg·L-1. The relative standard deviation was 0.54%; The average recoveries of standard addition was 99.3%. The proposed method has been applied to the determination of chromium amount in different valence states in the waste water from factories with satisfactory results.

Key concepts: Chromium, Valence (chemistry), Relative standard deviation, Atomic absorption spectroscopy, Detection limit, Mass spectrometry, Analytical Chemistry (journal), Wastewater

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