Table 1 Experimental relationship between the concentration and RI of mixed solutions at different temperatures.

From: Measuring the mutual diffusion coefficient of heavy water in normal water using a double liquid-core cylindrical lens

Temp./°C

Temp./K

Fitting expression/%

R 2

20

293

C = −212.5663n + 283.3988

0.9991

25

298

C = −206.2113n + 274.8735

0.9992

30

303

C = −216.7846n + 288.8353

0.9992

35

308

C = −229.0474n + 305.0226

0.9995

40

313

C = −219.8241n + 292.6323

0.9992

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