Method for separating and enriching trifluralin herbicide in soil
A technology for separating and enriching herbicides, applied in the field of separating and enriching trifluralin herbicides in soil, can solve the problems of trifluralin that is not easy to degrade, easy to accumulate and migrate, and mutagenic, and achieves rich pores, high adsorption, Strong adsorption effect
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[0019] In order to further explain the technical means and effects that the present invention takes to achieve the intended purpose of the invention, below in conjunction with the accompanying drawings and preferred embodiments, a method for absorbing and enriching trace amounts of trifluralin herbicide in soil proposed according to the present invention The specific implementation methods, steps, features and effects of the application thereof are described in detail below.
[0020] Specific steps are as follows:
[0021] (1) Preparation of carbonized PVP / GO-AAm-EHA-DVB monolithic column
[0022] First, EHA, DVB, Span80 and C 7 h 8 Add the four substances into the sample tube according to the volume ratio of 6:6:3:4, and then add the initiator AIBN, so that the concentration of AIBN is 12.6mg / mL, mix well, and form the organic phase; the configuration concentration is 2.6mg / mL PVP / GO aqueous solution, then add acrylamide (AAm) to make the concentration of AAm 26.3mg / mL, an...
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