- Izon Science Support Centre
- qNano
- Troubleshooting: TRPS Measurements
What are the recommended qNano settings for zeta potential measurements compared with conventional size and concentration measurements?
A summary of recommended setting for various TRPS measurements is shown below.
Table: Typical settings for various TRPS measurements.
|
Settings |
TRPS measurements |
||
|
Size |
Concentration |
ζ-potential |
|
|
Applied voltage |
≤ 1.6 V |
≤ 1.6 V |
0 ̶ 10 V |
|
Applied pressure |
≤ 2 kPa |
≤ 2 kPa |
≤ 0.2 kPa |
|
Sample size range |
50 nm ̶ 10 μm |
50 nm ̶ 10 μm |
<500 nm |
|
Sample concentration |
Size dependent |
Size dependent |
Size dependent |