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. 2023 Sep 30;23:277. doi: 10.1186/s12866-023-03008-3

Table 5.

Calculation of ethanol and EDTA FICI using the checkerboard method

Ethanol concentration % EDTA Concentration %
1 2 3 4 5 6 7 8 9 10
4.25 2.125 1.06 0.53 0.26 0.13 0.06 0.03 0.01 0.008
A 12 - - - - - - - - - -
B 6 - - - - - - - - - -
C 3 - - - - - - - - - -
D 1.5 - - - - - - - - - +
E 0.75 - - - - - - - + + +
F 0.375 - - - - - - - + + +
G 0.18 - - - - - - + + + +
H 0.09 - - - - - - + + + +