Liquid Chromatography Instrument

Description

Technical parameters of liquid chromatography

High pressure infusion pump

Flow range 0.001-10ml/min (set step size 0.001mL/min)

Flow accuracy ≤ ± 0.25% (0.001-10mL/min)

High working pressure of 42.0MPa can be set with upper and lower limits, and automatic alarm can be triggered

Display pressure error ＜ ± 0.5 MPa (0-42 MPa)

Pressure pulsation ＜ 0.1MPa

The sealing pressure of the pump is 42MPa, with a duration of 10 minutes and a pressure drop of less than 0.5MPa

Traffic flow RSD<0.05%

Gradient 2 or 3 elements

The gradient elution method has internal software that can be self controlled and controlled through a PC and pump

Power supply AC 110V/220V, 50Hz/60Hz

Dimensions: 400mm × 300mm × 180mm

Liquid chromatograph

UV detector

Lamp source deuterium lamp/tungsten lamp

Optical path design for monochromator with dual silicon photodiode detector

Linear range 2.8AU (5%)

Wavelength range 190-700nm, with a step increase of 1nm

Wavelength repeatability 0.2nm

Wavelength accuracy ± 1nm

Band width<6nm

Absorption range 0.0005aU/mV-4AU/mV

The data system outputs 4AU/V injection signal control, automatically zeroing, and supports dual output of integrator and recorder

Baseline noise ≤± 0.25 × 10-5aU (empty pool, response time 1 second, 20 ℃)

≤ 2 × 10-5aU (methanol, 1ml/min, 254nm, 20 ℃)

Baseline drift ≤ 0.4 × 10-4AU/hr (empty pool, response time 1 second, 20 ℃)

≤ 2 × 10-4/hr (methanol, 1ml/min, 254nm, 20 ℃)

Small detection concentration 4 × 10-9 g/mL (methanol solution of naphthalene)

Sample Cell Analysis Cell (10mm Optical Path, 10.0ul Volume)

Power supply AC 110V/220V, 50Hz/60Hz

Size 400mm × 300mm × 180mm

Excitation wavelength range 190-900nm

Emission wavelength range 190-900nm

Detector response range 190~900nm (photomultiplier tube), 300~800nm (single photon counter)

Spectral bandwidth excitation 5nm/10nm/15nm/20nm, emission 5nm/10nm/15nm/20nm

Wave length ± 1nm

Wavelength accuracy ± 0.2nm

Monochromator 1200 line holographic grating

Infusion pump

Flow range 0.001-10ml/min

Accuracy ± 1%

Degree 0.25%

Pressure range 0-42MPa

Gradient binary

The gradient elution method has internal software that can be self controlled and controlled through a PC and pump

Power supply 100 to 240 VAC, 50 to 60Hz, 80watts

Dimensions 40CM (L) × 30CM (W) × 18CM (H)

Weight 8.0kg

detector

Lamp source deuterium lamp/tungsten lamp

Optical path design for monochromator with dual silicon photodiode detector

The wavelength range is 190-700nm, with a step increase of 1nm, which can be set by keyboard or RS232/485/USB

Bandwidth<6m

Wavelength accuracy ± 1nm

Wavelength repeatability 0.2nm

Absorption range 0.0005aU/mV-4AU/mV

The data system outputs 4AU/V injection signal control, automatically zeroing, and supports dual output of integrator and recorder

Noise ± 0.5×10-5aU

Drift 2×10-4AU (P-P)

Sample pool standard conical cell (10mm optical path, 4.5ul volume), semi prepared (5mm optical path, 3.5ul volume)

Power supply 100 to 240 VAC, 50 to 60Hz, 80watts

Dimensions 40CM (L) × 30CM (W) × 18CM (H)

Weight 8.0kg

LC8000 Dual Pump Gradient Liquid Chromatography Dual Pump Configuration List: 2 LC8000 high-pressure infusion pumps, 1 UV spectrophotometer, 1 six way injection valve, 1 C18-250mm * 4.6 chromatographic column, 1 set

1 set of dual channel chromatographic data workstation

1 sonic cleaner

One oil-free diaphragm vacuum pump

1 set of 1000ml solvent filter bottle

1 set of liquid phase protection column sleeve

1 box of organic solvent filtration membrane

1 box of aqueous solvent filtration membrane

1 box of needle filter