Liquid Chromatography-Tandem Mass Spectrometry System
A powerful tool for high throughput trace quantitative analysis, unfazed by complex matrices
Zhenyi Technology manufactures high-precision instruments with exceptional craftsmanship. The company has successfully developed and launched its first-generation high-performance tandem mass spectrometer — QuantEx 6250 LC-MS/MS, a liquid chromatography-triple quadrupole tandem mass spectrometry system with performance comparable to high-end models from imported brands.
With outstanding performance, the QuantEx 6250 LC-MS/MS is a reliable and efficient quantitative analysis tool you can trust — whether in scientific research, medicine and healthcare, food safety, environmental monitoring, public security, or industrial analysis！
Ceramic fiber blankets feature extremely low thermal conductivity, effectively minimizing heat loss and maintaining stable internal furnace temperatures. This directly improves thermal efficiency and reduces fuel or electricity consumption.
Built-in sensors for real-time tracking of mobile phase volume.
Injection volume as low as 0.1μL, adjustable in 0.1μL increments.
Autosampler with minimal cross-contamination, carryover < 0.0001%.
5ms Pos-Neg polarity switching without sensitivity loss; Enabling analysis of multiple substance classes in a single injection.
Off-axis detector + continuous noise reduction for lower background noise; detection limit down to attogram level.
Multiple anti contamination designs for low maintenance requirements and easy servicing.
AI‑powered one‑click method development & AI-assisted data processing.
Excellent performance Stable and reliable
No sensitivity loss with 5ms Pos-Neg polarity switching;
Enabling analysis in both Pos and Neg modes in a single injection.
- 5 ms Pos-Neg switching time; 50 ms dwell time
- Positive Mode：Histidine(156.2 / 110.2)
- Negative Mode：Histidine(154.2 / 137.2)
Fast MRM without significant sensitivity loss when dwell time reduced from 50ms to 20,10,5ms
Enabling quantitation of several hundred analytes in one round.
- Various dwell times 5、10、20、50ms; 5 ms Pos-Neg switching time
- Positive Mode：Histidine(156.2 / 110.2)
- Negative Mode：Histidine(154.2 / 137.2)
1000 consecutive injections of 2μL 100ng/mL Phenylalanine and Tyrosine，peak area RSD < 5%
Craftsmanship design Forging outstanding quality
Driving performance advancements to help you tackle challenging tasks
Three-stage vacuum, quadrupole RF ion focusing assembly
- Better ion trapping efficiency, higher ion transfer stability, reduced vacuum load, and enhanced durability;
- Plug-in design for easy disassembly, cleaning, and maintenance.
Tapered multipole collision cell
- Accelerated ion transfer, higher CID efficiency less ion loss, and faster ion transit;
- Rapid clearing with no cross-talk between channels;
- 500 MRM channels per second – compatible with UHPLC narrow peaks, enabling simultaneous quantification of hundreds of compounds in a single run.
Quadrupole Mass Analyzer
- Scan speed@25,000 u/sec & 0.1 u stepping high-speed operation without compromising spectral quality or precision;
- Heated quadrupole for enhanced contamination resistance and long-term stability.
High-energy detector with off-axis design
- Lower background noise, detection limit down to attogram (ag);
- Excellent detection consistency, minimal ion discrimination across different concentrations, polarities, and structures.
Intelligent and easy-to-use software
Integrated MS and LC control
Designed for English speaking users, with multi-language support
AI-enhanced one-click method development and AI-assisted data processing — Simplify complex settings and make it easier to use
Multi‑scenario adaptability — High‑throughput trace detection for food, environment, clinical, pharmaceutical, forensic, and more
Application Example
Fast quantitation of trace substance residues
Quantitation of trace pesticides residues in fruits and vegetables
32 pesticides residues in QuEChERS extracts of lettuce: 0.2-100ng
- LC column：C18, 1.7 μm 100mm×2.1mm
- Mobil phase：A: 2mM Ammonium Formate / 0.01% Formic Acid / H2O
B: 2mM Ammonium Formate / 0.01% Formic Acid /CAN - XIC，0.2 ng/mL
Application Areas
Pesticide residues in fruits and vegetables；
Veterinary drug residues in meat products；
Contamination from food contact materials；
Food additives；
Food composition analysis；
Food quality contro
Trace organic pollutants in the environment；
Pharmaceutical residues in environmental water；
Screening of unknown environmental contaminants；
Assessment of pollutant environmental exposure
Drug R&D；
Drug metabolism (DMPK)；
Analysis of traditional Chinese medicine (TCM) components；
Pesticide residue analysis in TCM；
Drug impurity analysis；
Pharmaceutical quality control
Metabolic processes in life；
Disease biomarkers；
Metabolomics；
Lipidomics；
Proteomics
(For non-clinical diagnostic use only)
Endogenous metabolites in body fluids；
Therapeutic drug concentration monitoring；
Disease biomarkers in body fluids；
Drug poisoning screening
Toxins in body fluids；
Drugs of abuse in hair and body fluids；
Drugs of abuse in wastewater；
Illegal drug adulteration
