Residues of Nonylphenol and Short Chain Nonylphenol Polyethoxylates in the Agricultural Soil in Heilongjing

The residual state of Nonylphenol(NP),nonylphenol monoethoxylate(NP1EO) and nonylphenol diethoxylates(NP2EO) in agricultural soil samples in Heilongjing Province were investigated.It is showed that NP,NP1EO and NP2EO were detected in different contents,with the relevance ratio between 68.46% and 95.38%.NP,NP1EO and NP2EO concentrations were ND-156.8 μg kg-1,ND-15.70 μg kg-1 and ND-13.63 μg kg-1,with the mean of 22.02 μg kg-1,4.04 μg kg-1 and 2.15 μg kg-1,respectively.Further analysis,NP at 0-10 μg kg-1 was the largest proportion,while NP1EO and NP2EO were 4-6 μg kg-1 and 1-2 μg kg-1,respectively.The residue level of NP was higher than those of NP1EO and NP2EO,which implied that the degradation of NP was relatively difficult and easily accumulated in soil.