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Table 2 Acoustic parameters at different percentages of 2-propanol-water mixture. System: 3-acetyl-4-methyl-6-chloro-8-nitrocoumarin + 2-propanol + water

From: Acoustic properties of binary mixtures of 3-acetyl-4-methyl-6-chloro-8-nitrocoumarin with 1-propanol and 2-propanol at 300, 303, and 307 K

Concentration, 0.01 M

Ultrasonic frequencies, 1 MHz

% 2-Propanol

V (m s−1)

ds × 103 (kg m−3)

β s × 10−7 (pa−1)

ϕk (m3 mol−1 pa−1)

Z (kg m−2 s−1)

Temperature = 300 K

 70

1379.333

0.8888

5.9139

−0.0493

1225.9218

 75

1338.533

0.8736

6.3892

−0.0427

1169.3136

 80

1331.133

0.8713

6.4775

−0.0415

1159.7874

 85

1282.857

0.8501

7.1484

−0.0317

1090.5082

 90

1246.742

0.8306

7.7461

−0.0225

1035.5090

Temperature = 303 K

 70

1331.533

0.8807

6.4045

−0.0567

1172.6520

 75

1326.666

0.8640

6.5766

−0.0533

1146.1824

 80

1290.666

0.8636

6.9519

−0.0489

1114.5621

 85

1261.600

0.8383

7.4947

−0.0400

1057.5992

 90

1221.142

0.8227

8.1518

−0.0303

1004.5989

Temperature = 307 K

 70

1377.333

0.8705

6.0558

−0.0625

1198.9396

 75

1305.333

0.8573

6.8461

−0.0521

1119.0336

 80

1279.942

0.8408

7.2603

−0.0456

1076.1399

 85

1248.114

0.8279

7.7539

−0.0383

1033.3019

 90

1211.600

0.8123

8.3861

−0.0287

984.1826