China GCM-1522 Gas Chromatography-Mass Spectrometry Platform from Leading Suppliers and Factory

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Product Details

Features

Working Condition

Operating Environmental Temperature	18–35 ℃
Operating Environmental Humidity	≤ 80%
Operating Voltage	220 V (±10%), 50 Hz (±2%)

Single Quadrupole Mass Spectrometer Parameters

✦ High-precision all-metal quadrupole equipped with pre-quadrupole

✦ Pre-quadrupole disassembly for cleaning to avoid contamination of the main quadrupole

✦ No temperature control required to ensure quality stability indicators

✦ Optimizing ion energy technology

Sensitivity	1 pg, OFN S/N ≥ 1500:1
Quality Range	1.5–1250 amu
Quality Stability	± 0.10 amu / 48 hours
Quality Accuracy	± 0.10 amu
Maximum Scanning Speed	20000 amu/s, adjustable throughout the entire process
Resolution	0.4–4 amu adjustable
Dynamic Range	10⁷
Peak Area Reproducibility	< 2% RSD
Scanning Methods	Full scan, selective ion monitoring, full scan and selective ion synchronous monitoring, alternating scanning

Ion Source

✦ Inert ceramic ion source ensures analytical substances will not adsorb on the ion source during long-term use, extending service life

✦ Dual filament design, alternating use to extend filament replacement time

✦ Visual judgment of filament working status through the filament observation port

Type of Ion Source	Electron Impact Source (EI)
Ion Source Configuration	Inert ceramic ion source, dual filament software switching
Filament Current	0–500 μA
Ionization Energy	5–100 eV
Ion Source Temperature	50℃–350℃
Filament Observation Window	Equipped — visually judges working status of filament
Interface Temperature	50–350℃

Quality Analyzer

✦ Equipped with high-precision all-metal quadrupole with pre-quadrupole

✦ Optimized temperature control ensures quality stability indicators without the need for temperature control

✦ Pre-quadrupole detachable and washable to avoid contamination of the main quadrupole

✦ Optimized ion energy technology improves the speed of ions passing through the quadrupole and enhances signal quality

Detector

✦ Long lifespan level 13 dispersed dynode electronic multiplier

✦ Equipped with a 10 kV conversion dynode and a lens system for removing neutral noise

Vacuum System

Front Stage Pump Speed	≥ 4 m³/h
Turbomolecular Pump Speed	≥ 250 L/s (high-performance)
Maximum Allowable Column Flow Rate	5 ml/min (He)
Vacuum Gauge	Hot cathode ionization vacuum gauge; software can directly read high vacuum readings

Split / Non-Split Injector

Maximum Using Temperature	450 ˚C
Gas Control Mode	Constant pressure, constant flow rate, program up/down pressure, program up/down flow, pulse injection
Program Boosting / Current Raising	10th order
Pressure Setting Range	0–1035 kPa (0–150 psi)
Maximum Split Ratio	9999.9:1
Flow Setting Range (N₂)	0–200 mL/min
Flow Setting Range (H₂)	0–1000 mL/min

Column Oven

Operating Temperature Range	Room temperature +4 ˚C to 450 ˚C
Temperature Setting Accuracy	0.1 ˚C
Temperature Control Accuracy	0.01 ˚C
Temperature Stability	≤ 0.5%
Temperature Uniformity	≤ 2.5%
Environmental Sensitivity	When ambient temperature changes by 1 ˚C, better than 0.01℃
Heating Rate	≥ 100 ˚C/min
Programmed Heating Repeatability	≤ 1%
Programmed Heating Order	32
Cooling Time (450℃ to 50℃)	≤ 4 min
Maximum Running Time	9999.999 min

★

Key Advantages

Wide temperature RF power supply can better adapt to various laboratory environments, and instrument performance is more stable
High-precision all-metal quadrupole, ensuring good resolution
Quadrupole mass analyzer with pre-quadrupole provides stronger anti-pollution ability
Electronic multiplier with high-energy conversion dynode, ensuring excellent sensitivity
High-performance turbo molecular pump with high pumping speed and stable operation, ensuring long-term high vacuum environment for mass spectrometry
High-temperature inert ion source has high ionization efficiency, reduces pollution, and is equipped with dual filaments, providing twice the usage time
Configured with automatic sampler, blow trap, thermal analyzer, headspace sampler to achieve sample analysis of different states

Frequently Asked Questions

Q What is the sensitivity of the single quadrupole mass spectrometer?

The instrument achieves a sensitivity of 1 pg with an OFN S/N ratio of ≥ 1500:1, ensuring reliable detection of trace-level analytes in complex sample matrices.

Q Why does the ion source use an inert ceramic design instead of a metal ion source?

The inert ceramic ion source prevents analytical substances from adsorbing onto its surface during long-term use. This significantly reduces contamination risk, extends the service life of the ion source, and maintains more consistent analytical performance over time.

Q What is the purpose of the pre-quadrupole in the quality analyzer?

The pre-quadrupole acts as a protective filter for the main quadrupole. It is detachable and washable, preventing contamination from reaching the main quadrupole and thereby extending the instrument's operational life while maintaining high analytical accuracy.

Q What scanning modes are supported by this GC-MS system?

The system supports four scanning modes: full scan (SCAN), selective ion monitoring (SIM), full scan and selective ion synchronous monitoring (SCAN/SIM), and alternating scanning — providing maximum flexibility for both qualitative and quantitative analysis workflows.

Q What are the operating environmental requirements for the instrument?

The instrument requires an operating temperature between 18–35℃ and a relative humidity of ≤ 80%. The power supply must be 220 V (±10%) at 50 Hz (±2%) to ensure stable and safe operation.

Q Can this GC-MS system be used with different types of sample introduction accessories?

Yes. The system is compatible with a range of sample introduction accessories, including an automatic sampler, blow trap, thermal analyzer, and headspace sampler. This versatility allows it to handle samples in various physical states — liquid, solid, and gaseous — making it suitable for a wide range of analytical applications.