Modification of Nanoclinoptilolite Zeolite with Hexadecyltrimethylammonium Surfactant as an Active Ingredient of Chromate-Selective Membrane Electrode

Table 8

Potentiometric response of four independent optimized SMZ-PVC membrane electrodes.

Electrode	Slope = 𝑥 (𝑛=5) (mV·decade^−1)	𝑟^2	RSD%	𝑔exp^a
1	−29.9 ± 0.5	0.9903	1.7	0.4261
2	−29.3 ± 0.4	0.9841	1.4
3	−29.3 ± 0.7	0.9900	2.4
4	−29.3 ± 0.5	0.9883	1.7

^a𝑔_0.05,5,4=0.6287 [40].