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CGC Determination of residual organic solvents in Hydronidone

Caiyu Zhang

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Abstract

Objective:To develop a capillary gas chromatography method for the determination of residual organic solvents in Hydronidone.Methods:Residual organic solvents in Hydronidone were determinated by directed injection on a DB-624 capillary column(30 m×0.53 mm,3 μm)and at a FID detector.Nitrogen was used as the carrier gas.Results:The calibration curves of methanol,dichlormethane and n,n-dimethylformamide showed good linearity;The RSDs of precision were all less than 2%.The average recoveries were between 98.83%-103.70%.Conclusion:The method is simple accurate and sensitive.It can be used for the determination of the residual organic solvents in Hydronidone.

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What this paper is about

Objective:To develop a capillary gas chromatography method for the determination of residual organic solvents in Hydronidone.Methods:Residual organic solvents in Hydronidone were determinated by directed injection on a DB-624 capillary column(30 m×0.53 mm,3 μm)and at a FID detector.Nitrogen was used as the carrier gas.Results:The calibration curves of methanol,dichlormethane and n,n-dimethylformamide showed good linearity;The RSDs of precision were all less than 2%.The average recoveries were between 98.83%-103.70%.Conclusion:The method is simple accurate and sensitive.It can be used for the determination of the residual organic solvents in Hydronidone.

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Available abstract

Objective:To develop a capillary gas chromatography method for the determination of residual organic solvents in Hydronidone.Methods:Residual organic solvents in Hydronidone were determinated by directed injection on a DB-624 capillary column(30 m×0.53 mm,3 μm)and at a FID detector.Nitrogen was used as the carrier gas.Results:The calibration curves of methanol,dichlormethane and n,n-dimethylformamide showed good linearity;The RSDs of precision were all less than 2%.The average recoveries were between 98.83%-103.70%.Conclusion:The method is simple accurate and sensitive.It can be used for the determination of the residual organic solvents in Hydronidone.

Key concepts: Chemistry, Residual, Chromatography, Methanol, Gas chromatography, Capillary gas chromatography, Capillary action, Calibration curve

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