Gas Chromatography LGC-T2011

Introduction

Gas Chromatography is a benchtop unit with advanced flow controller () technology. System has digital control mode and polar capillary columns to separate polar analytes. GC oven is capable of 9 temperature program ramps and hold steps, and features rapid cooling: 250 °C to 50 °C < 10 minutes. Accurate flow rate control via has higher level repeatability of retention time and peak area, enabling specific level of analysis by means of dual detectors. This analytical equipment is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Suitable for analysis of trace toxic compounds, monitoring and research in environmental protection, atmosphere and water source pollution. It is widely used for petrol-chemistry, environmental protection, epidemic prevention, pharmacology and scientific research.

Specifications

Oven	Maximum capacity 22 L Temperature range RT + 5 ℃ to 400 ℃ Temperature accuracy ± 0.1 ℃ Temperature program 9 Step Program total time 9999.9 min Maximum Heating Rate 0.1 to 60 ℃/ min Maximum Cooling Rate ≤ 10 mins (250 to 50 ℃)
Sample injector	Temperature range RT+ 7 ℃ to 420 ℃ Temperature control Independent Injector type Column or split Maximum sample inlet 3 pcs Carrier gas flow type Constant pressure Pressure range 0 to 400 kPa Pressure accuracy 0.1 kPa Mobile phase flow range H2: 0 to 200 ml/min, N2: 0 to 150 ml/min
Detector	Type or Temperature range RT + 7 ℃ to 420 ℃ Maximum installation Dual detector Flame ignition mode Automatic Flame Ionization Detector () Logarithmic amplifier High voltage switch control Baseline signal display Ignition coil control Detection limit: ≤3 ×10 to 12 g/s (Sample: n-hexadecane) Baseline noise: ≤ 5 × 10 - 14 A Baseline draft: ≤ 6 × 10-13 Dynamic range: 10 ⁷ : ≤ 3 % Thermal Conductivity Detector() Sensitivity : 8000mV.ml/mg (Sample: n-hexadecane) Baseline noise: ≦0.5mV Baseline draft: ≤ 0.15 mV/30 min Dynamic range: 10 ⁵
Power supply	AC 220 V ± 22 V, 50 Hz ± 0.5 Hz, 3000 W
Packing dimension	1020 × 660 × 740 mm
Gross Weight	82 kg
Net weight	70 kg

Features

7-inch display specifies temperature, gas flow and heating curve

H2 and N2 mobile gas phase with and constant pressure gas flow type

Equipped with capillary analysis system and capillary split sampler

Injection system incorporates diaphragm cleaning, split flow and auxiliary gas adjustment

Standard unit for high-speed analysis with polar capillary column

M and stationary phase polar capillary columns can be coupled

Dual detector with automatic flame ignition and baseline signal display

Self-diagnostic and automatic fault recognition function

Multi-core and 32-bit embedded hardware system ensures the reliable operation

Equipped with chromatography workstation software to process data

Memory function can store 20 sample test data

RS232 interface and port

FAQs

1. What are the key factors to consider when selecting this analytical equipment for laboratory use?

When selecting this analytical equipment, key factors include: 1) The instrument's precision and accuracy to meet experimental requirements; 2) Compatibility with the types of samples and applications you will be working with; 3) Ease of use and maintenance requirements; 4) Safety features to protect operators and samples; 5) Calibration and certification requirements; 6) Cost-effectiveness and long-term reliability; 7) Technical support and service availability from the supplier. Evaluating these factors ensures that the instrument meets your laboratory's specific needs.

2. How often should this analytical equipment be calibrated to ensure accurate results?

It is recommended to calibrate this analytical equipment at least once every 6-12 months under normal usage conditions. More frequent calibration (every 3-6 months) may be necessary if: 1) The instrument is used continuously for extended periods; 2) It is exposed to harsh environmental conditions (temperature fluctuations, humidity, dust); 3) It is used for critical applications requiring high precision; 4) The instrument has been moved or subjected to physical shock; 5) Calibration checks indicate significant deviations from standard values. Always follow the manufacturer's calibration guidelines.

3. What are the common maintenance procedures required for this analytical equipment?

Common maintenance procedures include: 1) Regular cleaning of the instrument's exterior and sample contact surfaces to prevent contamination and ensure proper operation; 2) Inspection of moving parts (if applicable) for wear and lubrication as recommended by the manufacturer; 3) Replacement of consumable parts (filters, bulbs, reagents) according to usage guidelines; 4) Verification of performance parameters (temperature, pressure, voltage) regularly; 5) Storage of the instrument in a clean, dry environment when not in use; 6) Keeping a maintenance log to track service activities and identify potential issues early; 7) Following the manufacturer's specific maintenance schedule for optimal performance and longevity.

4. Can this analytical equipment be used with different types of samples, and are there any compatibility considerations?

Yes, this analytical equipment can be used with a variety of sample types, but compatibility considerations are important: 1) Check if the instrument's materials are compatible with the chemical composition of your samples (avoid corrosive or reactive substances that may damage the instrument); 2) Ensure that the sample volume and concentration are within the instrument's recommended range; 3) For biological samples, consider sterility requirements and potential cross-contamination risks; 4) For volatile or hazardous samples, ensure proper ventilation and safety precautions are in place; 5) Consult the manufacturer's documentation for specific sample compatibility guidelines, and perform compatibility tests with new sample types before regular use.

5. What should be done if the analytical equipment malfunctions or produces inconsistent results?

If malfunctions or inconsistent results occur: 1) First, check the instrument's user manual for troubleshooting guidelines specific to the issue; 2) Verify that the instrument is properly calibrated and within its calibration period; 3) Inspect for obvious issues such as loose connections, damaged parts, or incorrect settings; 4) Clean the instrument thoroughly to remove any contamination that may affect results; 5) Repeat the experiment with a known standard sample to determine if the issue is with the instrument or the sample; 6) If the problem persists, discontinue use of the instrument to prevent further damage or inaccurate results; 7) Contact technical support or a qualified service technician for diagnosis and repair, providing details of the issue and any troubleshooting steps already performed.