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Kewoan Technology (Suzhou) Co., Ltd.

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BrandThermo Fisher Scientific
OriginUSA
ModelXSeries II ICP-MS (Refurbished)
Mass Range2–260 amu
Sensitivity (Li-7)50 Mcps/ppm
Sensitivity (Y-89)60 Mcps/ppm (XSeries II standard configuration)
Sensitivity (Tl-205)80 Mcps/ppm
Detection Limit (Be-9)0.5 ppt
Detection Limit (In-115, Bi-209)0.1 ppt
Oxide Ratio (CeO+/Ce+)≤1.5%
Doubly Charged Ion Ratio (Ce2+/Ce+)≤3.0%
Isotopic Ratio Precision (107Ag/109Ag)RSD ≤0.1%
Abundance Sensitivity (low-mass)5 × 10⁻⁷
Abundance Sensitivity (high-mass)1 × 10⁻⁷
Collision CellORS3™ (He-only mode)
High Matrix ToleranceUp to 3% total dissolved solids (TDS) via HMI technology
Software PlatformMassHunter Workstation (QA/QC, audit trail, automated method execution)
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BrandWaters
OriginUSA
Instrument TypeTriple Quadrupole LC-MS/MS
Mass Rangem/z 10–2000
Ionization SourcesESI & APCI
Scan ModesFull Scan, SIM, MRM
MRM Acquisition RateUp to 1000 transitions/sec
Dynamic Range10⁶–10⁷
Detection LimitLow pmol/L (ESI-MRM)
SoftwareMassLynx v4.2 or later
ComplianceDesigned for GLP/GMP environments
Typical Service Life3–5 years (verified operational history, full service logs available upon request)
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BrandAgilent Technologies
OriginUSA
ModelAgilent 7890A
Operational Age4–5 years
ConfigurationStandard GC system with integrated 7683 autosampler control
Regulatory ReadinessBuilt-in 21 CFR Part 11 compliance features (audit trail, electronic signature support, user access levels)
Detection OptionsFID, TCD, µECD, NPD, MSD, ICP-MS, and optional PFPD, SCD, AED via Agilent partner ecosystem
Injection ModesSplit/splitless (0–100 psi & 0–150 psi), packed column, on-column, PTV, and volatile analysis interface
Data SystemsCompatible with Agilent ChemStation Plus (ChemStore C/S, ChemAccess), PetroQA/QC Cerity NDS
Speed CapabilityFast GC mode (up to 10× faster than conventional GC)
Sample IntroductionSupports headspace, purge-and-trap, valve injection, and large-volume injection (LVI) without pre-concentration
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BrandAgilent Technologies
OriginUSA
Manufacturer TypeAuthorized Distributor
Origin CategoryImported
ModelAgilent 6890N (Refurbished)
Price RangeUSD 4,200 – 11,200
DetectorFID (Detection Limit: <5 pg C/s on propane)
Oven Temperature RangeAmbient +4 °C to 450 °C
Split/Splitless Injector Pressure Range0–100 psi (optional 0–150 psi)
Total Flow Range (Split/Splitless)0–200 mL/min N₂, 0–1000 mL/min H₂ or He
AutosamplerIntegrated Agilent 7683 Control
GC SpeedUp to 10× faster than conventional GC
ComplianceDesigned for ASTM D3606, D5186, ISO 6416, USP <621>, FDA 21 CFR Part 11-ready configurations available
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BrandAgilent Technologies
OriginUSA
Manufacturer TypeAuthorized Distributor
Product OriginImported
ModelAgilent VK7025 Dissolution Tester
Price RangeUSD 1,400 – 4,200 (FOB)
Instrument Age4–5 years
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BrandWaters
OriginUSA
ModelTQD
Mass Rangem/z 10–2000
Ionization SourcesESI & APCI
Scan ModesFull Scan, SIM, MRM
MRM Transition RateUp to 1000 transitions/sec
Dynamic Range10⁶–10⁷
Detection LimitLow pmol/L (ESI)
SoftwareMassLynx v4.2 or later
ComplianceASTM D7598, USP <1225>, FDA 21 CFR Part 11 (with audit trail enabled)
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BrandAgilent Technologies
OriginUSA
ModelAgilent 7890A
Instrument Age4–5 years
ConfigurationIncludes integrated Agilent 7683 autosampler control
Detector OptionsFID, TCD, µECD, NPD, MSD, ICP-MS, FPD (upgraded), plus optional SCD, PFPD, AED via Agilent Partners
Inlet TypesSplit/splitless (0–100 psi & 0–150 psi), packed column, on-column, PTV, VOA
Software CompatibilityAgilent ChemStation Plus (ChemStore C/S, ChemAccess), Cerity QA/QC for Petrochemicals
Regulatory ComplianceSupports 21 CFR Part 11 audit trails, GLP/GMP data integrity requirements
GC SpeedCapable of fast GC operation (up to 10× faster than conventional GC)
Sample IntroductionLarge-volume injection (LVI) enabled, headspace, purge-and-trap, valve-based injection modules available
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BrandAgilent Technologies
OriginUSA
Model7697A
Sample CapacityUp to 111 vials (auto-sampler mode)
Vial Sizes Supported10 mL, 20 mL, 22 mL
Oven Temperature RangeAmbient to 200 °C
Transfer Line & Valve Temperature RangeAmbient to 200 °C
Injection ModeSix-port valve with fixed-volume loop
Carrier Gas ControlElectronic Pressure Control (EPC) for He, N₂, H₂
Software CompatibilityAgilent OpenLAB CDS and ChemStation
ComplianceDesigned for GLP/GMP environments
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BrandAgilent Technologies
OriginUSA
Instrument TypeSecond-hand Dissolution Testing System
ModelVK7025
Age4–5 years
Regulatory ComplianceUSP <711>, EP 2.9.3, JP XVII, ChP 0931
Sample Capacity6-vessel
Vessel ConfigurationsBasket (USP Apparatus 1) & Paddle (USP Apparatus 2)
Temperature ControlIndependent vessel-level PT100 probes with ±0.2 °C accuracy
Automation FeaturesMotorized sampling arm, programmable DDM (Drug Delivery Module), TruCenter™ magnetic cup alignment, dome-shaped anti-evaporation lids
Software CompatibilityAgilent Dissolution Workstation (FDA 21 CFR Part 11 compliant with audit trail, electronic signature, and user access control)
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BrandWaters
OriginUSA
ModelWaters SQD
Mass Rangem/z 50–1000
Ionization SourcesESI and APCI
Detection ModesFull Scan, SIM, SIR
SoftwareMassLynx v4.2 or later
Dynamic Range10⁶–10⁷
ComplianceDesigned for GLP/GMP environments
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BrandAgilent Technologies
OriginUSA
Instrument TypeTriple Quadrupole GC-MS
ConfigurationStandalone Mass Spectrometer (requires compatible Agilent GC, e.g., 7890B/7820A)
Detection PrincipleElectron Ionization (EI) and Chemical Ionization (CI)
Mass Range10–1000 m/z
Scan SpeedUp to 20,000 Da/sec in MRM mode
Sensitivity<10 fg OFN (octafluoronaphthalene) in EI MRM mode
Mass ResolutionUnit mass resolution (0.7 Da at peak apex)
Vacuum SystemDual-stage turbomolecular pump (≥260 L/s for MS region)
Interface TemperatureUp to 350 °C
Data System CompatibilityAgilent MassHunter Workstation (vB.08.00 or later)
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BrandWaters
OriginUSA
Manufacturer TypeAuthorized Distributor
Origin CategoryImported Instrument
ModelUPLC + Xevo TQD
Price RangeUSD $26,000 – $39,000 (FOB)
Operational Age3–5 years
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