. Author manuscript; available in PMC: 2016 Jun 23.

Published in final edited form as: Chemosensors (Basel). 2015 Dec 11;3(4):284–294. doi: 10.3390/chemosensors3040284

Table 2.

Limit of detection, linear sensitivity, and linear slope of HPO₄²⁻ ISEs with various plasticizers in the membrane.

Plasticizer	logK_lipo	Limit of Detection –log{HPO₄²⁻} mol/L		Linear Sensitivity Conc. Decades		Linear Slope mV/Conc. Decade

		Average	Std. Dev	Average	Std. Dev	Average	Std. Dev
DMF	−0.6	−5.13	0.38	2.60	0.00	−7.4	0.9
NPOE	2.3	−5.05	0.20	2.34	0.33	−8.8	4.9
DBP	3.6	−7.01	0.18	4.85	0.21	−23.8	0.6
TEHP	4.4	−5.56	0.92	2.70	0.46	−6.7	11.6
DBS	4.6	−5.00	0.51	2.78	0.42	−9.3	2.2
BEHS	6.9	−5.05	0.26	3.18	1.57	−16.0	4.4