Table 1: Parameter for GEMI potentiometric method.

Parameter Value
Intercept ± SD 16.76 ± 1.53
Slop 33.65
Correlation coefficient (R2) linear 0.99929
Linear range (μM) 0.005-10000
LOD (μM) 0.1500
LOQ (μM) 0.4546
Response time 2 second
Life time > 6 months
*PDL 0.001 Μm

*PDL = Practical Detection Limit.