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| Brand | East & West Analysis |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Instrument Type | Time-of-Flight Mass Spectrometer |
| Chromatography Configuration | Comprehensive Two-Dimensional Gas Chromatography (GC×GC) |
| Model | GCxGC TOF MS 3300 |
| Mass Range | Not specified |
| Resolution | Not specified |
| Sensitivity | Not specified |
| Scan Speed | 500 spectra/sec (≥15 kHz pusher frequency) |
| Brand | Dongxi Analytical |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | PTR-QMS3500 |
| Pricing | Upon Request |
| Mass Range | 1.5–600 amu |
| Resolution | Unit Mass Resolution |
| Response Time | 100 ms |
| Detection Limit | 100 pptv (for benzene) |
| Linear Dynamic Range | 50 pptv – 10 ppmv |
| Adjustable Inlet Flow Rate | 80–800 sccm |
| Heated Capillary Inlet Length | 1.0 m (inert, temperature-controlled up to 150 °C) |
| Drift Tube/Reaction Chamber Temperature Range | 40–150 °C |
| Primary Reagent Ion | H₃O⁺ |
| Optional Reagent Ions | NH₄⁺, O₂⁺, NO⁺ |
| Power Supply | 220 V AC |
| Dimensions (W × H × D) | 48 × 54.5 × 63 cm |
| Weight | ~100 kg |
| Remote Interface | 4–20 mA output & MODBUS RTU protocol support |
| Brand | Dongxi Analytical |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Matrix-Assisted Laser Desorption/Ionization Time-of-Flight (MALDI-TOF) Mass Spectrometer |
| Model | Ebio Reader 3700 Plus |
| Regulatory Status | Class II Medical Device (Registration No.: Tianjin NMPA Approval No. 20222220402) |
| Intended Use | Clinical Microbiology Identification, Biomarker Profiling, SNP Genotyping, Viral Peptide Detection, Foodborne Pathogen Screening |
| Compliance | Meets GB/T 19001–2016 (ISO 9001:2015), YY/T 0287–2017 (ISO 13485:2016), and relevant Chinese NMPA medical device technical requirements |
| Brand | Dongxi Analytical |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | GC-MS3110 |
| Instrument Type | Single Quadrupole Mass Spectrometer |
| GC/MS Configuration | Conventional Benchtop GC-MS |
| Mass Range | 1.5–800 Da |
| Resolution | 2 M (10% valley definition) |
| Sensitivity | 30:1 (S/N for 1 pg octafluoronaphthalene, m/z 272, in full-scan mode) |
| Scan Speed | 6000 u/sec |
| Brand | GBC |
|---|---|
| Origin | Australia |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Optimass 9500 |
| Instrument Type | Inductively Coupled Plasma Time-of-Flight Mass Spectrometer |
| Mass Resolution (Unit Mass Resolution at m/z = 238) | 2000 |
| Detection Limit | 1–10 ng·L⁻¹ (ppt level, 3–5 s integration time) |
| Sensitivity | Mcps per ppm |
| Mass Range | 1–260 amu (full-spectrum acquisition) |
| Brand | Dongxi Analytical |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Time-of-Flight Mass Spectrometer |
| Mass Range | 1–260 amu |
| Argon Consumption | 12 L/min |
| Analysis Time for 20 Elements | 25 s |
| Application Environment | Laboratory-Based Quantitative Elemental & Isotopic Analysis |
| Collision Cell | Integrated Octopole Collision Cell (OCC) with Mass-Independent Reaction Kinetics |
| Brand | GBC |
|---|---|
| Origin | Australia |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | Optimass 9600 |
| Price Range | USD 420,000 – 700,000 (FOB) |
| Instrument Type | Time-of-Flight Mass Spectrometer (ICP-TOFMS) |
| Mass Resolution (FWHM at 1 amu) | >4000 |
| Detection Limit (in aqueous solution) | <0.1 pg/mL (ppt-level) |
| Sensitivity | >1 × 10⁶ cps per µg/L (Mcps/ppm) |
| Brand | Dongxi Analytical |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Region Classification | Domestic (PRC) |
| Model | Ebio Reader™ 3700M |
| Instrument Type | Matrix-Assisted Laser Desorption/Ionization Time-of-Flight (MALDI-TOF) Mass Spectrometer |
| Resolution | ≥2500 (FWHM) |
| Sensitivity | ≥250 amol/μL Febrinopeptide Human B (S/N ≥50:1) |
| Mass Stability | ≤300 ppm relative mass drift over 8 h |
| Sampling Rate | 2 GS/s |
| Mass Accuracy | ≤200 ppm (internal calibration) |
| Brand | East & West Analytical Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Model | PRO-MS 3600 |
| Detection Range | ppb to 100% (v/v) |
| Detection Principle | Quadrupole Mass Spectrometry |
| Response Time | < 1.5 s (typical for single-point analysis) |
| Ion Source | High-efficiency inertized electron ionization source |
| Quadrupole Material | Passivated stainless steel |
| Inlet System | Multi-stage differential pumping with low-dead-volume valving |
| Software | Real-time spectral acquisition and quantitative analysis suite compliant with GLP data integrity requirements |
| Brand | East & West Analysis |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Single Quadrupole Mass Spectrometer |
| GC Configuration | Conventional Capillary GC-MS |
| Mass Range | 1.5–1100 amu |
| Mass Resolution | Unit Mass Resolution |
| Sensitivity | ≥2000:1 S/N for 1 pg Octafluoronaphthalene (OFN) in Electron Ionization (EI) mode |
| Scan Speed | Up to 10,000 amu/s |
| Detector | Dual-Stage Electron Multiplier with High-Energy Dynode Post-Focusing Assembly |
| Pressure Control Accuracy | ±0.001 psi |
| Column Oven | Air-heated, accommodates up to two capillary columns and three detector modules |
| Ion Source | High-Temperature Inert EI Source with dual long-life inert filaments |
| Brand | Dongxi Analytical |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Single Quadrupole GC-MS |
| GC Configuration | Conventional Capillary GC-MS |
| Mass Range | 1–1000 amu |
| Mass Resolution | Unit Mass Resolution (UMR) |
| Sensitivity | 100:1 (Signal-to-Noise Ratio, S/N, for m/z 69 of perfluorotributylamine, PFTBA, at 1 pg on-column) |
| Scan Speed | Up to 10,000 amu/s |
| Ion Source | Dual-Mode Electron Ionization (EI) and Programmable Positive Chemical Ionization (PCI) |
| Ion Optics | DC Compensation Voltage Tuning |
| Filament Control | Adaptive Emission Current & Electron Energy Regulation |
| GC Oven Temperature Stability | ±0.01 °C |
| Pressure/Flow Control | Third-Generation Electronic Pneumatic Control (EPC) Module |
| Optional Accessory | In-House Designed Low-Noise Mechanical Pump Enclosure |
| Brand | East & West Analytical Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Type | TOF Mass Spectrometer |
| Model | Ebio Reader 3700 |
| Resolution | ≥2500 (FWHM) |
| Sensitivity | 250 amol/μL for Human Fibrinopeptide B |
| Mass Stability | ≤300 ppm relative mass drift over 8 hours |
| Sampling Rate | 2 GS/s |
| Mass Accuracy | ≤200 ppm (internal calibration), ≤300 ppm (external calibration) |
| Laser | N₂ laser, 337 nm, 1–60 Hz repetition rate, lifetime ≥9×10⁷ shots |
| Flight Tube Material | Low-thermal-expansion alloy |
| Vacuum System | Oil-free diaphragm pump |
| Data Acquisition | FPGA-accelerated digitizer with on-board spectral preprocessing |
| Ion Mode | Positive-mode standard |
| Brand | Dongxi Analysis |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Single Quadrupole Mass Spectrometer |
| GC Configuration | Conventional Capillary Gas Chromatograph |
| Mass Range | Not Specified (Typical for Single Quadrupole: 10–1000 u) |
| Resolution | Unit Mass Resolution |
| Sensitivity | Not Specified (Typical: <10 fg OFN in Full Scan, S/N ≥ 50:1) |
| Scan Speed | Not Specified (Typical: Up to 10,000 Da/sec) |
| Carrier Gas Control | Electronic Pressure Control (EPC) |
| Vacuum System | Configurable Dual-Stage Pumping (Turbo + Roughing Pump Options) |
| Library Compatibility | NIST, Wiley, and Custom User Libraries |
| Interface Options | Purge & Trap, Thermal Desorption Unit (TDU), Headspace Sampler, Direct Insertion Probe (DIP) |
| Brand | East & West Analytical Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer | East & West Analytical Instruments Co., Ltd. |
| Instrument Type | TOF Mass Spectrometer |
| Resolution | ≥2500 (FWHM) |
| Sensitivity | 250 amol/μL Febrinopeptide Human B (S/N ≥50:1) |
| Mass Stability | ≤300 ppm relative deviation in m/z over 8 h |
| Sampling Rate | 2 GS/s |
| Mass Accuracy | ≤200 ppm (internal calibration), ≤300 ppm (external calibration) |
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