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. 2018 Oct 8;18(10):3358. doi: 10.3390/s18103358

Table 2.

Definition of the six inputs for the system.

Input Definition The “1” State The “0” State
A pH 9.0 5.0
B Urease and urea 6 mM urea 0 mM urea
C Temperature 25 °C 40 °C
D Na2SO4 0.35 M 0 M
E Methanol 0% 20%
F Electrode Type c-MWCNTs/PDEA PDEA