The strength of the ion. Increase the strength of weak interaction between the ions and the sample Matrix, thus contributing to the extraction with fiber. Influence of ion strength is evaluated by adding the quantity of aqueous HCl and NaCl with extraction of evaluation through 10, 20, and 30% (w/w) of sodium chloride and HCL. 30% (w/w) and the concentration of sodium chloride is the best results for this study. However, This concentration and stability of slurry sedimentation of salt due to sodium chloride. While the number of the accommodation. On the other hand, 10% of HCl found the best results for the insecticides, and does not affect the stability of the solution, and then select the.
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