| Quaternary low-pressure gradient pump : |
| Pulsation |
<1% or 0.1 MPa |
| Flow rate |
0.001 to 10 ml/min |
| Flow accuracy |
± 0.2% |
| Gradient accuracy |
≤ 0.06% (ASTM) |
| Max. withstand voltage |
9000 Psi |
| Degassing machine |
Built-in four-channel online vacuum degassing machine |
| Other function |
Automatic cleaning of plunger rod, anti-salt precipitation |
|
| Auto sampler : |
| Sampling method |
Loop sampling and variable sampling |
| Injection volume |
1 to 500 µl |
| Reproducibility |
<1% @10 µl |
| Memory effect |
< 0.01% |
| Sample tray |
2 with 48 sample positions each, 1.5 ml sample bottle |
|
| Separation unit : |
| Chromatographic column |
Sodium ion exchange column; 4×150 mm |
|
| Derivative unit : |
| Derivation method |
Ninhydrin post-column derivatization method |
| Temperature setting |
RT to 150°C |
| Temperature increment |
0.1°C |
|
