Flame Photometer Detector
- Product Number:LD-FP5
- Product Difference:[K, Na, Li, Ca, Ba] Built-in Pump / Built-in Printer / 7-inch Touchscreen
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Online ConsultationProduct Introduction
A Flame Photometer Detector is a relative measurement instrument based on the principle of atomic emission spectroscopy (flame color reaction), primarily used to determine the concentrations of alkali and alkaline earth metals (such as potassium, sodium, calcium, and lithium) in solutions.
The concentration value of the sample being tested is a relative value compared to the concentration of a standard solution under the same testing conditions. Before testing, a set of standard solutions must be prepared, followed by a calibration procedure. A standard curve is then plotted—either manually or by the instrument—and finally, the sample is tested to obtain its concentration value or other required calculated data.
It is widely applicable to sample preparation requirements in environmental monitoring, agriculture and the fertilizer industry, the food industry, chemical manufacturing, medical and clinical diagnostics, geology, mining, and the new energy sector.
Applicable Standards (Selected Standards)
“JJG630-2007 Flame Photometer”
“LYT1246-1999 Determination of Exchangeable Potassium and Sodium in Forest Soils”
“LYT1248-1999 Determination of Exchangeable Sodium in Alkalized Soils”
“LYT1254-1999 Determination of Total Potassium and Total Sodium in Forest Soils”
“NYT889-2004 Determination of Available and Non-Available Potassium in Soils”
“NYT2420-2013 Determination of Total Potassium Content in Plants by Flame Photometry”
Product Features
Features a 7-inch color capacitive touchscreen LCD for convenient operation, compact size, and stable, reliable performance.
Includes direct-reading concentration measurement for five elements—potassium, sodium, lithium, calcium, and barium—and can simultaneously measure any combination of three elements.
High-transmittance, ultra-low stray light filters reduce background interference to achieve a higher signal-to-noise ratio.
Features a one-touch ignition function for quick and convenient operation; uses a built-in air pump, eliminating the need for an external gas source.
It uses a proprietary high-performance nebulizer that ensures uniform and efficient atomization, as well as smooth and stable sample aspiration and injection, guaranteeing the accuracy and stability of analytical results.
It can store standard curve parameters for up to 10 data points per set, with a total capacity of 20 curve sets.
Equipped with a moisture separator to prevent the impact of environmental changes and ensure stable analytical results.
Equipped with a flameout protection device that automatically shuts off the gas solenoid valve upon flameout.
Features a single-point calibration function for quick correction in the event of baseline drift.
Includes a history print function and USB flash drive export capability.
Product parameters
| Equipment Model | FP2 | FP3A | FP3B | FP3C | FP4 | FP5 | |
| Test Elements | Sodium, Potassium | Sodium, Potassium, Calcium | Sodium, Potassium, Lithium | Sodium, Potassium, Barium | Sodium, Potassium, Lithium, Calcium | Sodium, Potassium, Lithium, Calcium, barium | |
| Number of Channels | 2 | 3 | 3 | 3 | 4 | 5 | |
| Operation Mode | Touchscreen | ||||||
| Spectral Separation Method | Interferential Filters | ||||||
| Photoelectric Conversion Element | Silicon photodiode | ||||||
| Printing Function | Built-in thermal printer | ||||||
| USB Data Output | History records can be exported via a USB flash drive | ||||||
| Concentration Calculation Methods | Segmented Method, Linear Fitting, Curve Fitting | ||||||
| Stability | With continuous injection of standard solution, the relative maximum change in instrument reading within 15 s is ≤ 3%; measurements are taken once per minute for a total of 6 measurements; the maximum variation in the instrument reading is ≤ 8 % | ||||||
| Repeatability | ≤ 2 % | ||||||
| Response time | ≤ 8 s | ||||||
| Sample aspiration rate | ≤ 6 mL/min | ||||||
| Linearity error (mmol/L) | Sodium | Na ≤ 0.02 | |||||
| Potassium | K ≤ 0.003 | ||||||
| Lithium | — | — | Li ≤ 0.007 | — | Li ≤ 0.007 | ||
| Calcium | — | Ca ≤ 0.062 | — | — | Ca ≤ 0.062 | ||
| Barium | — | — | — | Ba ≤ 0.066 | — | Ba ≤ 0.066 | |
| Detection limit mmol/L | Sodium | Na ≤ 0.007 | |||||
| Potassium | K ≤ 0.0005 | ||||||
| Lithium | — | — | Li ≤ 0.012 | — | Li ≤ 0.012 | ||
| Calcium | — | Ca ≤ 0.037 | — | — | Ca ≤ 0.037 | ||
| Barium | — | — | — | Ba ≤ 0.066 | — | Ba ≤ 0.066 | |
| Detection Range (ppm) | Na: 0.18–100; K: 0.15–100; Li: 0.1–30; Ca: 0.1–1000; Ba: 0.1–300 | ||||||
| Filter center wavelength error | Na ≤ 5 nm; K ≤ 7 nm; Li ≤ 7 nm; Ca ≤ 7 nm; Ba ≤ 7 nm | ||||||
| Filter bandwidth | ≤ 15 nm | ||||||
| Normal operating conditions | Ambient temperature: 10 °C to 35 °C; Relative humidity: ≤ 85 % | ||||||
| Main unit dimensions | Length 460 mm × Width 325 mm × Height 450 mm | ||||||
| Net weight | 13 kg ±1 kg | ||||||
| Power Supply and Power | 220 V ± 22 V, 50 Hz ± 1 Hz, ≤ 50 W | ||||||
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