Solvent Selection | Switchable between two solvent pairs (A/B or C/D) |
Degasser Type | Vacuum Degasser, Separate degasser for each pump |
Pump Flow Range | 1 to 4,000 µL/min |
Maximum Pump Pressure | ≥ 18,850 psi |
Pump Flow Rate Accuracy | ≤ 1% |
Pump Flow Rate Precision | ≤ 0.075% RSD |
Sample Injection Modes |
Full loop injection Partial loop injection Microliter pickup |
Injection Repeatability |
Full loop: < 0.3 % RSD Partial loop: < 0.3 % RSD Microliter pickup: < 1 % RSD |
Cross Contamination | < 0.05 % |
Maximum Sample Capacity | 384 bits; 96 bits for standard liquid injection |
Maximum Column Oven Capacity | Six 250 mm long chromatographic columns |
Oven Temperature Control Range | RT + 5 °C to 90 °C |
Oven Temperature Control Mode | Preheating of flowing phase + forced air circulation |
Ion Source Type | Orthogonal Vertical Spray |
Ion Source Gas Supply |
Atomizing nitrogen: 0 to 2 L/min Desolvation nitrogen: 0 to 15 L/min |
Maximum Spray Voltage | 6 kV |
Control | Flow rate, voltage and temperature set via software interface |
Exhaust System | Yes, prevents backflow and reduce memory effect |
High-Temperature Blowback Gas | Nitrogen with flow rate of 0 to 5 L/min |
Vacuum Interface Heating Design | Interface can be heated up to 110°C |
Vacuum Interface Maintenance | Simple cleaning and maintenance without vacuum unloading |
Ion Transmission System | 4-stage differential vacuum with multiple quadrupole transmission for accurate ion focusing |
Mass Analyzer | Triple Quadrupole |
Quadrupole Material | Molybdenum |
Collision Cell Gas | Nitrogen supplied in a cylinder (purity > 99.999%) |
Resolution | 0.4 to 2 amu (adjustable) |
Mass Stability | Better than 0.1 amu/24 hours |
Scanning Speed | ≥ 20,000 amu/s |
MRM Channels | 100 channels/s |
Mass Range (M/Z) | 5 to 1,000 amu |
Dynamic Range | 6 orders of magnitude |
Sensitivity |
ESI+ MRM mode: 1 pg reserpine, S/N ≥ 100,000:1 ESI- MRM mode: 1 pg chloramphenicol, S/N ≥ 100,000:1 |
Scanning Functions |
Full scan Selected ion monitoring (SIM) Product ion scan Precursor ion scan Neutral loss scan Multiple reaction monitoring (MRM) Positive/negative ion switching scan, etc |
Detector Type | Pulse-counting detector |
Detector Technology | Multiplier without positive/negative ion discrimination |
Polarity Switching Time | ≤ 50 ms |
Vacuum System | Composed of mechanical and turbo molecular pump (With differential pumping and automatic power-off protection) |
Operating Temperature | 18 to 25 °C |
Operating Humidity | (20 ~ 60) % RH |
Power Supply | Five sets of single phases (220 ± 20) V AC, 10 A, 50 Hz |