Sensor Arrays and Electronic Tongue Systems : Table 2

Table 2: Formulation of the ion selective membranes employed in the construction of the potentiometric sensor array.


Sensor	PVC (%)	Plasticizer (%)	Recognition element (%)

	33	Butylpentyladipate (66)	Nonactin (1)
K⁺	30	Dioctylsebacate (66)	Valinomycin (3)^a
Na⁺	22	Nitrophenyloctylether (70)	Bis[(12-crown-4)methyl]-2-dodecyl-2-methylmalonate (6)^a
H⁺	33	Dioctylsebacate (66)	Tridodecylamine (1)^a
Cl⁻	30	Nitrophenyloctylether (65)	Tetradodecylammonium chloride (5)
	30	Dibutylphtalate (67)	Tetraoctylammonium nitrate (3)
Generic 1	29	Dioctylsebacate (67)	Dibenzo (18-crown-6) (4)
Generic 2	29	Dibutylphtalate (65)	Tetraoctylammonium bromide (4)

^a The formulation includes potassium tetrakis(4-chlorophenyl)borate as an additive.