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. 2023 Apr 11;23(8):3901. doi: 10.3390/s23083901

Table 5.

Measured values and average of the fluoride content of the probes with a minimum resolution range of 0.1 ppm fluoride content, values below 0.1 ppm detection range have no significance [17].

Insertion Time Deactivation Medium Measured Fluoride Contents [ppm] Average Fluoride Content [ppm]
0.5 h CaCl2 0.050 0.033
0.030
0.020
TW 0.025 0.024
0.023
DW 0.012 0.014
0.016
2 h CaCl2 0.040 0.030
0.030
0.020
TW 0.024 0.025
0.026
DW 0.013 0.014
0.014
5 h CaCl2 0.050 0.080
0.090
0.100
TW 0.021 0.025
0.028
DW 0.012 0.013
0.014
10 h CaCl2 0.100 0.113
0.080
0.160
TW 0.019 0.019
0.018
DW 0.013 0.025
0.036
24 h CaCl2 0.040 0.077
0.060
0.130
TW 0.030 0.027
0.024
TW 0.014 0.013
0.011
48 h CaCl2 0.130 0.115
0.100
TW 0.029 0.024
0.019
DW 0.016 0.013
0.010
1 week TW 0.046 0.105
0.163
DW 0.030 0.050
0.069
2 weeks CaCl2 0.100 0.095
0.090
TW 0.026 0.056
0.089
DW 0.018 0.048
0.077
10.5 weeks TW 12.95 11.306
9.672
DW 0.040 0.043
0.046