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Citation: LI Bo-Ping, LIN Qin-Bao, SONG Huan, LI Li-Li. Determination of DEHP and DNOP in PVC Film by ASE-RP-HPLC[J]. Chinese Journal of Applied Chemistry, ;2008, 25(1): 63-66. shu

Determination of DEHP and DNOP in PVC Film by ASE-RP-HPLC

LI Bo-Ping ^a ,
LIN Qin-Bao ^a,, ,
SONG Huan ^b ,
LI Li-Li ^a

1.
a Institute of Modern Chemistry, Shanxi University, Taiyuan 030006;
2.
b Shanxi Border Inspection and Quarantine Bureau, Taiyuan

Corresponding author: LIN Qin-Bao,
Received Date: 16 February 2007
Available Online: 18 May 2007
Fund Project: 山西省科技攻关计划资助项目(2007031082) (2007031082)

A method of accelerated solvent extraction and reverse-phase high performance liquid chromato-graphy(ASE-RP-HPLC) was developed to determine the concentration of phthalates in plastics.The plasticpieces were extracted with dicholoride methane by accelarated solvent extraction(ASE),and then the extractant was concentrated,filtered,and prepared for HPLC analysis.The analysis was performed on a Diamond column(250 mm×4.6 mm i.d.,5 μm) with acetonitrile-water(95:5,volume ratio) as the mobile phase at a flow rate of 1.0 mL/min,and it was detected at 254 nm using a UV detector.Quantitative analysis was carried out with external standard method.The calibration curves were linear in the range of 0.1~100 mg/L and the correlation coefficients were above 0.999 for both compounds.The relative standard deviations were below 5.20%.The recoveries of both phthalates added were 87%~108%.The detection limit of the method was 10 mg/L.The method is a fast and simple one to detect the concentration of phthalates in plastics.
- RP-HPLC,
- ASE,
- DEHP,
- DNOP
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