Elimination patterns of five benzene derivatives in seawater and Mytilus coruscus based on static models

doi:10.14088/j.cnki.issn0439-8114.2023.06.006

Abstract

Abstract: The elimination laws of five benzene derivatives, namely benzene （BZ）, toluene （TU）, p-xylene （PX）, o-xylene （MX）, and m-xylene （OX）, in seawater and Mytilus coruscus were studied in a static model. Five benzene derivatives with certain concentrations were added to seawater and Mytilus coruscus at an ambient temperature of （20±0.5） ℃, the residual concentrations of five benzene derivatives in seawater and Mytilus coruscus were analyzed at different time points using the headspace injection gas chromatography hydrogen flame ionization detector （HS-GC-FID） method.The results showed that the concentration changes of each component of benzene series in seawater and Mytilus coruscus were basically the same over time. The elimination rates of the five benzene series in seawater were MX, PX, TU, BZ and OX in descending order, while the elimination rates of the five benzene series in Mytilus coruscus were TU, BZ, MX, OX and PX in descending order. The elimination rates of Mytilus coruscus and seawater were different, possibly due to the complex matrix such as fat and protein rich in Mytilus coruscus. The binding degree between benzene derivatives and Mytilus coruscus mussel matrix was strong.

Key words: HS-GC-FID, benzene derivatives, seawater, Mytilus coruscus

CLC Number:

O657

SONG Li-ling, ZHOU Xu, LIAO Si-yang, YU Pei-pei, HU Fen-jing, ZHOU Xiu-jin. Elimination patterns of five benzene derivatives in seawater and Mytilus coruscus based on static models[J]. HUBEI AGRICULTURAL SCIENCES, 2023, 62(6): 29-32.

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