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Table 4 The accuracy of measurement of F in NaF standard aqueous solutions

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

NaF / TISABEMF+  10 ml TISABV (NaF) added, mlΔЕс (F)%SXE, %
5 / 5508.2490.99.217.30.0969695.81.922.212.3
3 / 7495.6478.54.017.10.09595
7 / 3518.4498.719.219.70.09494
3 / 7497.0478.84.218.20.09999
5 / 5505.0488.09.117.00.09595