Table 4. The rate of improvement (RI in h^-1) in the enantiomeric excess of the substrate and the fit of the estimating line expressed as the coefficient of determination, r². The value of RI precedes the value of r².

Ibuprofen Concentration

60 mM

48 mM

36 mM

24 mM

 Isooctane

a_w = 0.73

0.0085
0.9933

0.0077
0.9919

0.0078
0.9929

0.0086
0.9880

a_w = 0.59

0.0071
0.9915

0.0068
0.9968

0.0065
0.9972

0.0063
0.9973

a_w = 0.43

0.0038
0.9528

0.0039
0.9590

0.0042
0.9731

0.0045
0.9402

 2,5-Dimethylhexane

a_w = 0.73

0.0051
0.9989

0.0041
0.9977

0.0033
0.9941

ND

a_w = 0.59

0.0032
0.9514

0.0028
0.9603

0.0021
0.9790

ND

a_w = 0.43

NR

NR

NR

ND

 2-Methylheptane

a_w = 0.73

0.0075
0.9921

0.0074
0.9935

0.0073
0.9929

0.0073
0.9951

a_w = 0.59

0.0073
0.9966

0.0067
0.9967

0.0064
0.9962

0.0059
0.9946

a_w = 0.43

0.0024
0.9652

0.0037
0.9958

0.0033
0.9858

NR

 n-Octane

a_w = 0.73

0.0062
0.9992

0.0057
0.9788

0.0051
0.9758

0.0060
0.9980

a_w = 0.59

0.0048
0.9901

0.0051
0.9729

0.0041
0.9856

0.0042
0.9909

a_w = 0.43

0.0017
0.9439

0.0020
0.9754

0.0021
0.9303

0.0025
0.9868