Table 1.
Concentration, wt% | Temperature, °C | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | |
0 | nd | nd | nd | nd | nd | nd | nd | n | nd | n | nd |
0.1 | nd | nd | nd | nd | nd | nd | nd | n | nd | n | nd |
0.3 | nd | nd | nd | nd | nd | nd | nd | n | nd | n | nd |
0.5 | n | 30±10 | 24±12 | 13±4 | 12±4 | n | 13±3 | 10±1 | n | n | 10±2 |
1 | n | n | 53±13 | 22±4 | 20±3 | 11±1 | 11±2 | n | 9±1 | n | 11±2 |
3 | n | n | 42±15 | 33±11 | 17±2 | 17±3 | 12±1 | 11±1 | 11±1 | n | 11±1 |
5 | n | n | n | 61±12 | 34±10 | 27±6 | 14±1 | 10±1 | 11±1 | 13±1 | 13±2 |
n, no measurement; nd, measurement was performed, but micelle formation was not detected.
The sizes are in the form of the z-average diameter (nm), as derived from DLS measurements. For each determination, 10–20 measurements were performed and the average and standard deviation are reported.