Calixarene Derivatives | Dyes | % Extraction | ||||||||||
Time Study | Solvent Study | pH Study | ||||||||||
1 hr | 2 hr | 3 hr | CH2Cl2 | CHCl3 | CCl4 | pH 2 | pH 4 | pH 8 | pH 10 | pH 12 | ||
Calix-1 | D-2 | 97.0 | 98.0 | 98.0 | 98.0 | 96.0 | 73.0 | 68.0 | 98.1 | 98.1 | 56.5 | 1.85 |
RR-2 | 75.0 | 93.0 | 93.0 | 93.0 | 73.5 | 65.0 | 74.0 | 93.3 | 94.7 | 84.1 | 36.1 | |
AB | 54.5 | 64.6 | 64.6 | 64.0 | 49.0 | 37.0 | 34.8 | 19.6 | 45.3 | 86.4 | 8.21 | |
B-19 | 37.0 | 41.6 | 41.6 | 41.0 | 36.6 | 29.0 | 27.6 | 32.9 | 36.2 | 28.8 | 11.5 | |
Calix-2 | D-2 | 6.00 | 8.00 | 8.00 | 6.00 | 4.20 | 2.10 | 2.00 | 5.00 | 4.60 | 1.30 | 0.50 |
RR-2 | 4.00 | 6.00 | 6.00 | 4.00 | 2.80 | 1.30 | 2.30 | 3.00 | 2.10 | 1.00 | 0.40 | |
AB | 43.6 | 70.7 | 71.0 | 43.6 | 38.0 | 17.0 | 33.0 | 42.0 | 40.0 | 30.0 | 8.00 | |
B-19 | 89.9 | 90.0 | 90.0 | 89.9 | 83.0 | 68.0 | 69.0 | 87.0 | 82.0 | 48.0 | 25.0 | |
Calix-3 | D-2 | 4.00 | 6.00 | 6.40 | 4.00 | 2.70 | 0.80 | 3.00 | 3.70 | 2.80 | 2.40 | 0.80 |
RR-2 | 12.0 | 18.0 | 18.0 | 12.0 | 9.00 | 4.00 | 6.00 | 9.00 | 8.00 | 4.00 | 2.00 | |
AB | 58.0 | 74.0 | 74.0 | 54.0 | 53.0 | 40.0 | 43.0 | 49.0 | 41.0 | 26.0 | 16.0 | |
B-19 | 48.0 | 48.9 | 49.0 | 48.0 | 32.0 | 29.0 | 37.0 | 43.0 | 35.0 | 21.0 | 10.0 |