. Author manuscript; available in PMC: 2010 Jun 11.

Published in final edited form as: Anal Chim Acta. 2006 May 9;572(1):1–10. doi: 10.1016/j.aca.2006.05.009

Table 1.

Composition of the membranes

Ionophore	Ionophore wt% (mmol/kg)	NaTFPB wt% (mmol/kg)	PVC wt%	Plasticizer, wt%
I	0.80 (9.87)	0.43 (4.89)	42.1	o-NPOE, 56.6
II	0.91 (10.00)	0.44 (4.93)	42.2	o-NPOE, 56.5
III	0.83 (10.27)	0.44 (5.00)	43.1	o-NPOE, 55.6
IV	0.89 (10.14)	0.44 (4.97)	43.0	o-NPOE, 55.6
V	0.47 (10.13)	0.43 (4.89)	42.8	o-NPOE, 56.3
VI	0.33 (10.69)	0.45 (5.05)	43.0	o-NPOE, 56.3
VII	0.80 (10.05)	0.44 (5.00)	43.1	o-NPOE, 55.6
VIII	0.51 (9.96)	0.45 (5.03)	43.0	o-NPOE, 56.0
IX	0.99 (9.99)	0.44 (4.98)	43.0	o-NPOE, 55.6
	1.00 (10.02)	0.43 (4.83)	42.9	DOS, 55.7
X	1.19 (10.15)	0.44 (4.93)	42.4	o-NPOE, 56.0
	1.14 (9.75)	0.42 (4.76)	41.6	DOS, 56.8
Ion exchanger	—	0.44 (5.01)	43.3	o-NPOE, 56.3