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2006•Journal of Changchun UniversityRequires access

A study on the method for determination of formaldehyde in the water by automatic static-headspace capillary gas chromatography

Liu Gexin

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Abstract

The determination of formaldehyde in water by automatic static-headspace capillary gas chromatography is studied in this paper.The conditions of headspace has been tested and optimized,and the method for determination of formaldehyde in water by automatic static-headspace capillary gas chromatography is built.The result shows that the linearity is excellent in the range of 0 to 10.0mg/L,correlation coefficient is exceed 0.9990.Relative standard deviation(RSD) of samples is from 1.0% to 3.2%.Recovery rate of samples is from 94.7% to 104.0%.Minimum detectable limits(MDL) of formaldehyde is 0.69μg/L.The conclusion is that the method is a simple,sensitive,fast,accurate technique to determinate sulfite in sewage.

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What this paper is about

The determination of formaldehyde in water by automatic static-headspace capillary gas chromatography is studied in this paper.The conditions of headspace has been tested and optimized,and the method for determination of formaldehyde in water by automatic static-headspace capillary gas chromatography is built.The result shows that the linearity is excellent in the range of 0 to 10.0mg/L,correlation coefficient is exceed 0.9990.Relative standard deviation(RSD) of samples is from 1.0% to 3.2%.Recovery rate of samples is from 94.7% to 104.0%.Minimum detectable limits(MDL) of formaldehyde is 0.69μg/L.The conclusion is that the method is a simple,sensitive,fast,accurate technique to determinate sulfite in sewage.

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Available abstract

The determination of formaldehyde in water by automatic static-headspace capillary gas chromatography is studied in this paper.The conditions of headspace has been tested and optimized,and the method for determination of formaldehyde in water by automatic static-headspace capillary gas chromatography is built.The result shows that the linearity is excellent in the range of 0 to 10.0mg/L,correlation coefficient is exceed 0.9990.Relative standard deviation(RSD) of samples is from 1.0% to 3.2%.Recovery rate of samples is from 94.7% to 104.0%.Minimum detectable limits(MDL) of formaldehyde is 0.69μg/L.The conclusion is that the method is a simple,sensitive,fast,accurate technique to determinate sulfite in sewage.

Key concepts: Formaldehyde, Chromatography, Gas chromatography, Capillary action, Capillary gas chromatography, Chemistry, Relative standard deviation, Correlation coefficient

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