Shanghai INESA FP6410 / FP640 / 6400A Flame Photometer
| Brand | INESA |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | FP6410 / FP640 / 6400A |
| Price | Upon Request |
| Measurement Range | 0–100 ppm |
| Response Time | < 8 s |
| Repeatability | ≤2% |
| Sample Flow Rate | < 4 mL/min |
Overview
The Shanghai INESA FP6410, FP640, and 6400A Flame Photometers are benchtop atomic emission analyzers designed for routine quantitative determination of alkali and alkaline earth metals—primarily potassium (K) and sodium (Na)—in aqueous solutions. Operating on the principle of flame atomic emission spectroscopy (FAES), these instruments atomize and thermally excite sample aerosols in a stable hydrocarbon-air flame (LPG-fueled), inducing characteristic emission at wavelengths of 766.5 nm (K) and 589.0 nm (Na). Emitted light is isolated via interference filters and quantified by a photomultiplier tube (PMT) or silicon photodiode detector, with signal intensity linearly correlated to elemental concentration within the specified 0–100 ppm range. Engineered for laboratory environments requiring regulatory-compliant, high-throughput analysis—including clinical chemistry, soil testing, fertilizer QA/QC, and beverage quality control—the series delivers rapid, reproducible results with minimal operator intervention and low sample consumption.
Key Features
- 7-inch capacitive touch LCD interface with intuitive icon-driven navigation—enabling full instrument control without external PC or keyboard.
- One-touch ignition system with integrated LPG flow meter for real-time gas flow monitoring and fine-tuning; eliminates manual pressure adjustment and improves startup consistency.
- Integrated silent air compressor—no external air supply or oil-lubricated compressors required—reducing footprint, noise, and maintenance overhead.
- Dual-channel simultaneous detection of K and Na, supporting independent calibration and concurrent measurement without sequential switching or optical reconfiguration.
- Compact pre-mix burner chamber with optimized turbulence suppression—minimizing inter-element chemical interference (e.g., anion-induced suppression) and enhancing signal stability across matrix-varied samples.
- Proprietary high-efficiency nebulizer—engineered for consistent aspiration of low-viscosity aqueous samples (<4 mL/min flow rate), delivering uniform aerosol generation and improved long-term signal reproducibility (≤2% RSD).
- Automatic safety interlocks: flame-out detection, LPG leak sensing, and fail-safe solenoid valve cutoff—meeting IEC 61010-1 requirements for laboratory electrical equipment safety.
Sample Compatibility & Compliance
The FP6410/FP640/6400A series is validated for use with clarified, low-suspended-solids aqueous matrices including serum, urine, plant digests, soil extracts, and food/beverage filtrates. Samples require no derivatization or organic solvent dilution; typical preparation involves acidification (e.g., 1% HNO₃) and filtration (0.45 µm). The instruments comply with ASTM D1317 (sodium in gasoline), ISO 9297 (potassium in fertilizers), and USP <731> (electrolyte content in pharmaceutical preparations). For regulated environments, the FP6410 variant supports optional GLP-compliant data logging software with 21 CFR Part 11–ready audit trail, electronic signatures, and user-access-level management.
Software & Data Management
The FP6410 includes onboard memory for up to 10-point calibration curves and 20 sample result sets. Optional Windows-based INESA FlamePro™ software enables advanced functionality: multi-curve storage, batch report generation (PDF/CSV), outlier flagging, drift correction algorithms, and instrument performance log export. All data files include timestamp, operator ID, calibration status, and raw analog/digital signal traces—supporting traceability per ISO/IEC 17025 and internal QA protocols. Firmware updates are delivered via USB stick with version-controlled release notes and change logs.
Applications
- Clinical laboratories: Rapid quantification of serum/plasma K⁺ and Na⁺ for electrolyte panel reporting (CLIA-waived workflow compatible).
- Agricultural testing: Soil extract analysis for exchangeable K and Na per AOAC 975.03; fertilizer nutrient verification.
- Food & beverage: Salt (NaCl) content validation in dairy, canned goods, and sports drinks; potassium fortification verification.
- Environmental labs: Monitoring Na⁺ leaching in landfill leachate or K⁺ in irrigation water per EPA Method 200.7 adaptations.
- Pharmaceutical QC: Assay of K/Na counterions in APIs and excipients per USP monographs.
FAQ
What flame fuel is required for operation?
Liquefied petroleum gas (LPG) is the standard and only supported fuel; propane or butane blends must meet EN 589 specifications and contain no odorants or sulfur compounds.
Is external air compression necessary?
No—the built-in oil-free, brushless air pump delivers stable 6–8 L/min airflow at 30–40 psi, sufficient for complete combustion across all models.
Can the instrument measure lithium (Li) or calcium (Ca)?
Not natively—optical path and filter sets are fixed for K and Na only. Custom filter retrofitting is not supported due to PMT spectral response constraints and regulatory revalidation requirements.
How often does the nebulizer require cleaning or replacement?
Under normal use (≤50 samples/day), ultrasonic cleaning in 5% nitric acid every 48 hours is recommended; lifetime exceeds 6 months with proper maintenance and filtered samples.
Does the FP640 support data export to LIMS?
Yes—via RS-232 serial output with ASCII-formatted data packets; TCP/IP Ethernet option available on FP6410 with INESA FlamePro™ integration.
