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Table 2 Calibration of ISE in NaF standard aqueous solutions

From: Evaluation of free and total fluoride concentration in mouthwashes via measurement with ion-selective electrode

 Concentration of NaF, mol/LAverage
0.50.10.050.010.0050.0010.00050.00010.00005
рF0.5331.1191.3622.0462.3203.0173.3104.0004.301 
EMF573.0532.0524.2470.0466.9409.0405.5353.0338.0
573.7531.5524.7471.0467.6407.6406.6350.0344.4
572.8532.3522.0471.0469.2406.7408.0347.6340.0
 534.4 478.0 410.0 340.0 
 536.0 478.0 407.0 345.5 
 539.5 473.8 404.0 348.1 
573.2534.3523.6473.6467.9407.4406.7347.4340.8
S0.473.031.443.611.182.081.254.403.272.18
Δ X0.693.182.143.791.752.181.864.624.862.53
E(%)0.120.600.410.800.370.530.461.331.430.58