HPLC (High-Performance Liquid Chromatography) system with a Rheodyne injector (Model No: LI-6210) 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-6210): The Rheodyne injector is a crucial component of the HPLC system responsible for introducing the sample into the chromatographic system. Model LI-6210 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-6210 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