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

Table 6

Effect of temperature on the optimized SMZ-PVC electrode behavior (𝑛=5).

Temperature (°C)	Nernstian slope (mV·decade^−1)	Mean of exp. slope (𝑛=5) (mV·decade^−1)	𝑡exp^a
25	29.6	29.7 ± 0.4	0.59
30	30.1	30.3 ± 0.7	0.69
35	30.6	30.4 ± 1.3	0.34
40	31.1	31.4 ± 0.9	0.71
45	31.6	15.6 ± 2.6	13.63
50	32.1	12.9 ± 0.5	93.50
60	33.1	18.2 ± 2.0	16.88

^a𝑡_0.05,4=2.78 [40].