Technical indexes |
NK9870 |
NK9870A |
Working process |
Adding quantitative sample dilution, alkali liquor and absorption liquid; automatically finishing distillation, titration, print and liquid-discharging. |
|
Measurement range |
0.1-240mgN |
|
Measurement time |
4-8 minutes |
|
Measurement sample amount |
Solid: <6g/sample;liquid:<16ml./sample |
|
Titration precision |
2.0uL/step |
0.5uL/step |
Titrating solution concentration |
Direct titration samples with four titration concentrations of 0.1 mol, 0.2 mol, 0.5 mol and 1 mol |
|
Titration system |
High-precision plunger type titration system |
High-precision peristaltic titration system |
Executive standard |
Comply with stipulations of AOAC, EPA, DIN, ISO and GB |
|
Repeatability precision |
±0.5% |
|
Recovery ratio |
≥99.5% |
|
Data storage |
Effective storage space 2G |
|
Print function |
110mm line printer which can realize user selective print function |
|
Power |
1,800W |
|
Power supply |
220V/50Hz |
|
Requirement of cooling water |
Under 25℃ |
|
Cooling water consumption |
1.5L/min(Distillation process) |