High performance liquid chromatography

1High performance liquid chromatographyWorking conditions

1.1 Working power supply: 220V, 50HZ

1.2 Environmental temperature: 10-40 ℃

1.3 Relative humidity: 20-85%

2 Instrument functional requirements

2.1 Mainstream Split Design

2.2 The pump head is a split type pump head, with a customized integrated one-way valve;

2.3 Dynamic compensation technology with reduced flow fluctuations to ensure flow accuracy and stability;

2.4High performance liquid chromatographyEquipped with active flushing function of plunger rod;

2.5 has wavelength scanning and dual wavelength detection functions;

2.6 The high-pressure pump adopts two-stage suspension transmission technology, using drive suspension technology, combined with the suspension plug rod design of the imported pump head, to extend the service life of the sealing ring and reduce user usage costs.

2.7 Achieve precise control of the proportional valve through FPGA's precise logic control to ensure proportional accuracy.

System indicators

Qualitative measurement repeatability: ≤ 0.2%

Quantitative measurement repeatability: ≤ 0.4%

High pressure constant flow pump

Flow setting range: 0.001~10.000mL/min

Set step size: 0.001mL/min

Pressure range: 0-42MPa

Pressure pulsation: 0.1MPa (10MPa, C18, methanol 1mL/min)

Flow setting error: ± 0.2%

Flow stability: RSD ≤ 0.06%

Gradient error: ± 1%

Piston cleaning: Standard active online plunger cleaning module

Column temperature box

Temperature control range: 4-85 ℃

Temperature stability: ± 0.02 ℃

Temperature setting resolution: 0.1 ℃

Preheating: Built in 1 preheating module; Refrigeration module, * low temperature: room temperature -10 ℃

Automatic sampler

Sample volume repeatability<0.5% RSD

Linear:>0.9999

Cross contamination:<0.002%

Accuracy error of injection volume: ± 1%

Sample size: 120 (2 * 60, 2ml)

Syringe specifications: Standard: 500ul; Optional: 250ul, 1000ul, 2500ul

Quantitative ring specifications: standard: 100ul; Optional: 10ul, 20ul, 50ul, 200ul

Optional configuration of cold module, sample refrigeration * Low temperature: 4 ℃, precise temperature control within the range of 4-30 ℃

Injection needle cleaning: Clean the inner and outer needles and blow dry them

Working mode: XYZ positioning, with puncture function

Injection volume: 1-100ul

Chromatography workstation

Compliance: Comprehensive support for GLP and other regulations, support for user and permission management in various application scenarios, complete audit tracking, and traceable data throughout the entire process

Efficient: Rich automation management methods, powerful sequence management functions, simple and effective data and report management, effectively freeing up human resources

Friendly: Simple and clear user interface, reducing learning costs for users

Security: Adopting an efficient database system to effectively ensure the security of user data

Reliable: Adopting a customer service architecture, supporting 7x24 hour uninterrupted operation, providing high reliability guarantee for user experiments