Gradient high performance liquid chromatography basic configuration and technical parameters - Database & Sql Blog Articles

The Gradient High Performance Liquid Chromatograph consists of two/four fully independent high performance dual plunger high precision HPLC pumps for liquid flow delivery, equipped with a new generation of highly sensitive programmable UV-visible detectors, direct digital full system control, and achieved A new generation of full performance high pressure gradient systems.

Gradient high performance liquid chromatography

Basic configuration: high pressure gradient pump system, programmable UV detector, 7725i manual injection valve, syringe, column, digital full system control workstation and mounting accessories.

Gradient high performance liquid chromatography

Technical Parameters:

Flow rate range 0.001 to 9.999 mL/min

Infusion structure double plunger series; electronic pressure pulsation suppression

Flow accuracy <0.4% (1mL/min, secondary water, room temperature)

Flow rate reproducibility 0.1% (1mL/min, secondary water, room temperature)

Pressure range 0～40 MPa (1mL/min, secondary water, room temperature)

Pressure pulsation <0.05MPa (1mL / min, secondary water, room temperature)

Gradient accuracy 1%

Wavelength range 190~700nm

Light source xenon lamp

Wavelength accuracy ±1nm

Spectral scanning stop flow automatic scanning

Baseline noise 2 × 10 - 5 AU (240 nm, room temperature)

Baseline drift 15×10-5 AU (240 nm, room temperature)

Minimum extraction concentration 0.6×10-9 g/mL (254 nm, naphthalene standard, methanol mobile phase, room temperature)

Control RS-232 interface, computer control

Display 5.6-inch color screen

Power supply 220V, 3A AC

Size / weight 400 × 480 × 360 mm (width × height × depth) / 32Kg