Multiple determinations of four different concentrations of aqueous potassiumacid phthalate samples at 2.00, 5.00, 10.0, and 40.0 mg carbon/L resulted in meanvalues of 2.2, 5.3, 9.9, and 38 mg/L and standard deviations of 0.13, 0.15, 0.11, and1.4, respectively.
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