Description
HPLC System With Rheodyne Injector (Model No: LI-6200)
HPLC (High-Performance Liquid Chromatography) system with a Rheodyne injector (Model No: LI-6200) is a sophisticated analytical instrument widely used in scientific laboratories, particularly in chemistry, biochemistry, pharmaceuticals, and related fields. Here’s a comprehensive description of its components and functionalities:
High-Performance Liquid Chromatography (HPLC) System: HPLC is a powerful analytical technique used to separate, identify, and quantify components in a mixture. It utilizes high-pressure pumps to push a liquid solvent (mobile phase) through a column packed with a stationary phase, where the sample components interact differently, leading to separation based on their various properties such as size, polarity, or charge.
Rheodyne Injector (Model No: LI-6200): The Rheodyne injector is a crucial component of the HPLC system responsible for introducing the sample into the chromatographic system. Model LI-6200 is a specific version of the Rheodyne injector, likely with certain specifications and features unique to this model.
Key Features: The Rheodyne injector typically features a rotor with multiple ports where samples are loaded. It employs a highly precise mechanism to inject a fixed volume of the sample into the flowing mobile phase without altering its composition or introducing air bubbles.
- Injection Precision: The LI-6200 model likely offers exceptional injection precision, ensuring accurate and reproducible results even for trace-level analyses.
- Compatibility: It’s designed to be compatible with a wide range of HPLC systems and columns, offering versatility in applications.
Key Components:
- Pump(s): The HPLC system includes one or more high-pressure pumps responsible for delivering the mobile phase at a constant flow rate and pressure.
- Column: The heart of the chromatographic separation, where the actual separation of sample components occurs based on their interaction with the stationary phase.
- Detector(s): These devices monitor the effluent from the column and detect the separated sample components, typically employing techniques such as UV-Vis spectroscopy, fluorescence, or mass spectrometry.
- Data Acquisition System: This system records and analyzes the signals from the detector(s), generating chromatograms that represent the separation of sample components over time.
Applications:
- Pharmaceutical Analysis: Used for quality control, purity assessment, and quantification of active pharmaceutical ingredients (APIs) and impurities.
- Environmental Monitoring: Detecting and quantifying pollutants, pesticides, and other contaminants in environmental samples.
- Food and Beverage Analysis: Identifying and quantifying additives, pesticides, and other compounds in food and beverage products.
- Biomedical Research: Studying biomolecules such as proteins, peptides, nucleic acids, and metabolites for various research purposes.
Features :
Infusion Way Series dual plunger
Flow Rates 0.001 ~10.000ml/min
pump Pressure Accuracy ± 2%
Pressure 0 – 6000 psi
Pulsation <15psi from 600 to 1,600 psi, Flow 1mL/min
Dimensions 170H x 260W x 360D, (mm)
Flow Accuracy ≤±1 %(2μL/min)
Flow Precision 0.1%
Operating Temperature 4~40°C
Weight. (6.3 kg)
Specifications (UV-Detector)
Wavelength 190-700 nm
Wavelength Accuracy ≤±1 nm
Wavelength Reproducibility ≤± 0.5 nm
Qualitative Repeatability RSD ≤ 0.1%
Dimensions 160H x 260W x 350 D, (mm)
Operating Temperature 4-40°C
Spectral bandwidth 6 nm
Flow pool volume 10 μ L
Optical path 10 mm
Static Noise ≤± 1×10 AU (Empty pool, Response time 1 s, 20 °C)
Static Drifting ≤± 1×10 AU (Empty pool,Response time 1 s, 20 °C)
Quantitative repeatability RSD ≤ 0.5%
Weight. 6kg
Minimum detection concentration ≤1×10- 8g/mL(Naphthalene/methanol solution
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