Table 1 Acoustic parameters at different percentages of 1-propanol-water mixture. System: 3-acetyl-4-methyl-6-chloro-8-nitrocoumarin + 1-propanol + water
Concentration, 0.01 M | Ultrasonic frequencies, 1 MHz | ||||
|---|---|---|---|---|---|
% 1-Propanol | V (m s−1) | d s × 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 | 1349.133 | 0.8651 | 6.3510 | −0.0325 | 1193.5399 |
75 | 1334.000 | 0.8631 | 6.5106 | −0.0305 | 1160.2758 |
80 | 1304.228 | 0.8498 | 6.9182 | −0.0245 | 1121.7610 |
85 | 1278.971 | 0.8429 | 7.2535 | −0.0199 | 1087.2964 |
90 | 1266.400 | 0.8321 | 7.4934 | −0.0158 | 1056.7002 |
Temperature = 303 K | |||||
70 | 1378.666 | 0.8713 | 6.0388 | −0.0482 | 1201.1741 |
75 | 1320.666 | 0.8628 | 6.6458 | −0.0405 | 1139.4136 |
80 | 1319.371 | 0.8483 | 6.7727 | −0.0376 | 1119.1621 |
85 | 1278.400 | 0.8373 | 7.3077 | −0.0302 | 1070.4043 |
90 | 1254.742 | 0.8263 | 7.6874 | −0.0244 | 1036.7586 |
Temperature = 307 K | |||||
70 | 1335.533 | 0.8721 | 6.4290 | −0.0427 | 1164.6895 |
75 | 1280.571 | 0.8665 | 7.0383 | −0.0352 | 1109.5532 |
80 | 1274.857 | 0.8531 | 7.2130 | −0.0318 | 1087.5318 |
85 | 1270.000 | 0.8339 | 7.4349 | −0.0272 | 1059.0530 |
90 | 1258.400 | 0.8293 | 7.6146 | −0.0245 | 1043.5911 |