High Performance Liquid Chromatography LB-31HPLC Catalog

High Performance Liquid Chromatography LB-31HPLC offers a 0.001 to 10.000 mL/min flow range for precise separation and analysis of complex liquids. It utilizes dark-array path technology for automatic dark current calibration. It includes a 512-diode array detector for high-resolution, multi-wavelength analysis. Our HPLC system is highly modular and expandable, providing accuracy and repeatability in both flow rate and detection.

Flow Range	0.001 to 10.000 mL/min
Flow Rate Increment	0.001 mL
Flow Accuracy	≤ ± 0.2% (1.00 mL/min, H₂O, R.T., 8.5 MPa)
Flow Stability	RSD ≤ 0.06% (1.00 mL/min, H₂O, R.T., 8.5 MPa)
Maximum Pressure	70 MPa
Pressure display error	± 3% or ± 0.3 MPa
Pressure fluctuation	≤ 0.1 MPa
Wavelength Range	190 to 800 nm
Wavelength Repeatability	± 0.1 nm
Wavelength Accuracy	± 1 nm
Detector	512 diodes
Baseline Noise	≤ ± 1.0 × 10⁻⁵ AU (empty cell, 254 nm, 1.0 s)
Baseline Drift	≤ 3.0 × 10⁻⁴ AU/h (empty cell, 254 nm, 60 min)
Detector Cell Optical Path Length	10 mm
Detector Linearity	≥ 2.0 (5%) at 254 nm
Power consumption	300W
Power Supply	110-220V, 50/60 Hz
High Pressure Constant Flow Pump Dimension	440 × 380 × 180 mm
High Pressure Constant Flow Pump Packaging Dimension	580 × 470 × 370 mm
DAD Dimension	440 × 380 × 180 mm
DAD Packaging Dimension	600 × 440 × 380 mm
High Pressure Constant Flow Pump Net Weight	20 kg
High Pressure Constant Flow Pump Gross Weight	22 kg
DAD Net Weight	14 kg
DAD Gross Weight	15 kg

• High-pressure tolerance
• Broad wavelength range
• Low baseline noise
• Fast solvent delivery
• High detection sensitivity
• Advanced optical system

High Pressure Constant Flow Pump

DAD

Chromatographic Data-processing Workstation

System Kits

Column Oven

Autosampler

High Performance Liquid Chromatography LB-31HPLC is ideal for accurate separation and analysis of complex liquid mixtures in pharmaceutical, chemical, food, and environmental laboratories. It is widely used for compound identification, purity testing, and quality control in research and industrial applications.