Removal of Organophosphorus Pesticides in Spinach Using Potassium Ferrate (VI)

doi:10.7506/spkx1002-6630-200917011

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (17): 56-59.doi: 10.7506/spkx1002-6630-200917011

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Removal of Organophosphorus Pesticides in Spinach Using Potassium Ferrate (VI)

LIU Hong-yu1,2，CHEN Zhen-de2,*，WANG Dong-feng1，WANG Wen-jiao2

1. College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China；
2. Qingdao Academy of Agricultural Sciences, Qingdao 266100, China

Received:2008-10-07 Online:2009-09-01 Published:2014-04-14
Contact: CHEN Zhen-de2,*， E-mail:qdczd@tom.com

Abstract

Abstract:

The effect of potassium ferrate (VI) on degradation of organophosphorus pesticides in spinach was studied. Pesticide residues were detected using GC with nitrogen-phosphorus detection (GC-NPD). Potassium ferrate (VI) could effectively eliminate dichlorvos, dimethoate and chlorpyrifos residues in spinach. The removal rates of dichlorvos, dimethoate and chlorpyrifos from spinach by the treatment with 600 mg/L potassium ferrate (VI) for 30 min were 52.02%, 51.82% and 59.86%, respectively. The optimal conditions for removing dichlorvos, dimethoate and chlorpyrifos using potassium ferrate (VI) were determined using orthogonal array design. The results showed that potassium ferrate (VI) can be used as an organophosphorus pesticide removal agent of high effectiveness for spinach.

Key words: potassium ferrate (VI), organophosphorus pesticides, pesticide residue, removal

CLC Number:

TS207.53

LIU Hong-yu1,2，CHEN Zhen-de2,*，WANG Dong-feng1，WANG Wen-jiao2. Removal of Organophosphorus Pesticides in Spinach Using Potassium Ferrate (VI)[J]. FOOD SCIENCE, 2009, 30(17): 56-59.

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Removal of Organophosphorus Pesticides in Spinach Using Potassium Ferrate (VI)

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