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Se Pu. 2007 May;25(3):380-3.

[Simultaneous determination of nine organochlorine pesticide residues in textile by high performance liquid chromatography].

[Article in Chinese]

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School of Materials Science &Engineering, Beijing Institute of Clothing Technology, Beijing 100029, China.


A method for the simultaneous determination of pesticide and herbicide residues in cotton textile by high performance liquid chromatography coupled with diode array detector (HPLC-DAD) has been established. The pesticides and herbicides determined were 2,4-dichlorophenoxy (2,4-D), 2-methyl-4-chlorophenoxy acetic acid (MCPA), dichlorprop, mecoprop, 2,4, 5-trichlorophenoxy (2, 4, 5-T), 2-methyl-4-chlorophenoxy butyric acid (MCPB), beta-endosulfan, methoxychlor and 2, 2-bis (p-chlorophenyl)-1, 1-dichloroethene (DDE). Pesticide and herbicide residues in cotton products were extracted with acetone-petroleum ether by ultrasonic instrument. The extract was analyzed using an SGE C18 column with a linear gradient elution (methanol-phosphoric acid as mobile phase at a flow rate of 0.8 mL/min) and ultraviolet detection at 230 nm. The linear range was 0.5 - 10 mg/L, and the correlation coefficients were all greater than 0.998 8. By using acetone-petroleum ether(4 : 1, v/v) as solvent, the recoveries of nine organochlorine pesticides and herbicides at spiked levels of 0.5 - 2 mg/kg were 85.5% - 99.6%. The limits of detection (S/N = 3) were 0.05 mg/kg except MCPB, beta-endosulfan, methoxychlor and DDE that were 0.10 mg/kg. This method is of high accuracy, easy operation, satisfactory recoveries and good reproducibility. It could be used for the determination of the nine pesticides and herbicides in textile.


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