Table 3.

Selectivity coefficients −log($K_{\mathit{A.B}}^{\mathit{pot}}$) of various interference with the AT-selective electrode

Interfering compounds	−log( $K_{\mathit{A.B}}^{\mathit{pot}}$ )	Interfering compounds	−log( $K_{\mathit{A.B}}^{\mathit{pot}}$ )
Carbidopa	4.6	Na+	4.5
Acetaminophen	3.5	K+	4.8
Amoxicillin	3.6	NH4+	4.4
Amlodipine	4.2	Cd2+	4.2
Levodopa	4.7	Cu2+	2.8
Minoxidil	3.5	Ag+	3.5
Hydrocortisone	4.1	Mg2+	4.1
Levostatine	3.8	Fe2+	4.2
Ca2+	3.4	Fe3+	3.1