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Table 1 The effect of some coexisting substances on the determination of 50 µM resorcinol (n = 3)

From: Voltammetric approach for pharmaceutical samples analysis; simultaneous quantitative determination of resorcinol and hydroquinone

Species

Tolerance limits (W/W: n-fold excess weight of interference vs. resorcinol)

HCO3, Ca2+, Mg2+, Na+, K+, SO42−, CO32−, NO3

500

Glucose

500

Ascorbic acid

200

Phenylalanine, methionine, alanine, valine, isoleucine

700

Urea, thiourea

400