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| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | FP640 |
| Price Range | USD 720–1,430 (FOB Shanghai) |
| Stability (15 s) | ≤3% RSD |
| Stability (6 min, 1-min interval) | ≤15% RSD |
| Repeatability | ≤3% RSD |
| Linearity Error | K: ≤0.005 mmol/L (0.0100–0.0800 mmol/L) |
| Na | ≤0.03 mmol/L (0.0500–0.400 mmol/L) |
| Detection Limit | K: ≤0.004 mmol/L |
| Na | ≤0.008 mmol/L |
| K Interference Filter | Peak Wavelength Tolerance ≤±7 nm |
| Na Interference Filter | Peak Wavelength Tolerance ≤±5 nm |
| Filter Bandwidth (FWHM) | ≤15 nm for both K and Na filters |
| Background Transmittance | ≤0.5% |
| Response Time | <8 s |
| Sample Aspiration Rate | <6 mL/min |
| Display | LCD with integrated parameter readout |
| Optical System | Fixed-wavelength interference filters |
| Detector | Silicon photodiode |
| Measurement Range (as elemental concentration) | K: 0–100 µg/mL |
| Na | 0–160 µg/mL |
| Li | 0–100 µg/mL |
| Ca | 0–100 µg/mL |
| Ba | 0–3000 µg/mL |
| Brand | AOE |
|---|---|
| Model | 6400A |
| Origin | Shanghai, China |
| Type | Benchtop Flame Emission Spectrometer |
| Detection Elements | K, Na, Li, Ca, Ba |
| Optical System | Interference Filter-Based Monochromator |
| Detector | Silicon Photocell |
| Display | LCD |
| Sample Uptake Rate | <6 mL/min |
| Response Time | <8 s |
| Stability (15 s) | ≤3% RSD |
| Stability (6 min, 6 readings) | ≤15% RSD |
| Repeatability | ≤3% RSD |
| Linearity Error | K: ≤0.005 mmol/L (0.0100–0.0800 mmol/L) |
| Na | ≤0.03 mmol/L (0.0500–0.400 mmol/L) |
| Detection Limit | K: ≤0.004 mmol/L |
| Na | ≤0.008 mmol/L |
| Potassium Filter | Peak Wavelength Tolerance ≤±7 nm, FWHM ≤15 nm, Background Transmittance ≤0.5% |
| Sodium Filter | Peak Wavelength Tolerance ≤±5 nm, FWHM ≤15 nm, Background Transmittance ≤0.5% |
| Measurement Range | K: 0–100 µg/mL |
| Na | 0–160 µg/mL |
| Li | 0–100 µg/mL |
| Ca | 0–100 µg/mL |
| Ba | 0–3000 µg/mL |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | FP6410 |
| Price Range | USD 1,400–2,800 |
| Stability (15 s) | ≤3% RSD |
| Stability (6 min, 1-min interval) | ≤15% RSD |
| Repeatability | ≤3% RSD |
| Linearity Error | K ≤0.005 mmol/L (0.0100–0.0800 mmol/L) |
| Detection Limit | K ≤0.004 mmol/L |
| Filter Peak Wavelength Tolerance | K ≤7 nm |
| Filter Bandwidth (FWHM) | ≤15 nm (K & Na) |
| Filter Background Transmittance | ≤0.5% |
| Response Time | <8 s |
| Sample Aspiration Rate | <6 mL/min |
| Display | LCD |
| Optical Filtering | Interference Filters |
| Photodetector | Silicon Photocell |
| Measurement Range | K: 0–100 µg/mL |
| Na | 0–160 µg/mL |
| Li | 0–100 µg/mL |
| Ca | 0–100 µg/mL |
| Ba | 0–3000 µg/mL |
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