Table 1 Statistical parameters of the data utilized in the research to approximate biodiesel surface tension.

From: On the evaluation of surface tension of biodiesel

 

Temperature, K

Mw < 200

200 < Mw < 300

Mw > 300

ST, mN/m

Average

324.432

0.005

0.985

0.010

28.754

Median

318.150

0.000

0.987

0.013

28.500

Mode

313.150

0.000

1.000

0.000

28.500

Kurtosis

− 0.980

36.593

28.997

13.355

− 0.663

Skewness

0.551

6.131

− 5.247

2.494

0.260

Maximum

353.150

0.188

1.000

0.064

32.180

Minimum

303.150

0.000

0.812

0.000

25.970

  1. The third to fifth columns of the following table represent the mass fraction of esters which molecular weight is less than 200, between 200 and 300, and more than 300, respectively.
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