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Table 7 Measurement results for the high-resistivity plastic sample (AS R11)

From: A procedure for stable electrical measurements on a rock sample against high contact resistance as a prerequisite for electrical tomography

Sample Pair of potential electrodes Mean and standard deviation Estimated sample resistivity (Ω m)
Injected current (nA) Potential difference (V)
AS R11 P2–P3 29.5 ± 0.1 6.64 ± 0.01 1.35 × 107
P5–P3 3.15 ± 0.01 1.28 × 107
P4–P1 3.28 ± 0.01 1.33 × 107
P4–P6 2.45 ± 0.01 1.26 × 107