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. Author manuscript; available in PMC: 2008 Jul 23.
Published in final edited form as: Anal Chim Acta. 2007 Jun 14;596(2):201–209. doi: 10.1016/j.aca.2007.06.016

Table 2.

The changes in the examined electrodes fluoride response slopes in time (mV decade−1).

ID 1 5 9 14 18 22 26
DAYS
1 −59.7 −59.1 −58.1 −59.7 −58.2 −60.1 −57.2
3 −59.6 −59.1 −58 −58.2 −57.4 −58.7 −56.2
10 −59.0 −58.7 −57.8 −52.2 −53.8 −52.8 −50.1
30 −59.1 −58.4 −55.4 −32.1 −30.1 −24.8 −25.6
72 −58.9 −57.8 −48.9 n.m. n.m. n.m. n.m.
150 −58.7 −56.7 −34.2 n.m. n.m. n.m. n.m.
199 −58.1 −57.1 −27.9 n.m. n.m. n.m. n.m.