International Journal of Electrochemistry / 2018 / Article / Tab 2

Research Article

A New Approach for the Determination of Benzocaine and Procaine in Pharmaceuticals by Single-Sweep Polarography

Table 2

The equations of linear dependence of E, V on pH on a phosphate buffer.

AnestheticsPeakрН rangeEquationCorrelation coefficient, R

РСР12.1-4.3E=(-0,047±0.007)+(0.082±0.002)·рH0.9984
5.0-9.1E=(0.021±0.002)+(0.065±0.003)·рH0.9961
Р35.0-8.1E=(-0.16±0.02)+(0.069± 0.003)·рH0.9971
Р45.0-8.1E=(0.011±0.020)+(0.078±0.003)·рH0.9977
ВСР12.0-4.5E=(-0,018±0.009)+(0.071±0.002)·рH0.9957
5.0-9.0E=(0.03±0.03)+(0.062±0.004)·рH0.9951

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