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[Experimental study on adsorption effect of activated carbon to abamectin]
Objective:
To investigate the adsorbability of activated charcoals for abamectin in vitro at various pH and concentrations.
Methods:
Three concentrations of abamectin solutions (10, 5 and 2.5 g/L) with different pH value ( pH1.9 and pH6.8, respectively) were mixed with activated charcoal and control, respectively. The concentrations of abamectin were measured by UV-visible spectrophotometry after vibrated, incubated and centrifuged on different time points. Calculate the residue rate of abamectin and adsorption rate of activated carbon for avermectins.
Results:
The abamectin was significantly decreased in activated charcoal group compared with control group and the absorption ability of activated charcoal was higher on low concentration of abamectin.
Conclusion:
In vitro experiment showed that activated charcoal can significantly adsorb abamectin.
