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LSPEC-YZ-600 China Atomic Absorption Spectrophotometer Factory | Integrated Flame-Graphite Furnace | Suppliers
Product Advantages
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1Total internal reflection optical system, full-band achromatic correction, automatic wavelength scanning and peak detection.
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2Features deuterium lamp subtraction background and self-absorption subtraction background.
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3Uniquely designed all-titanium burner ensures stable combustion and rapid thermal equilibrium.
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4Automatic adjustment of negative high voltage and lamp current, automatic positioning of optimal element lamp location, automatic ignition, and automatic flame-out protection.
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58-lamp rack (with optional 2 high-performance lamps) automatic control system. Enables comprehensive adjustment of hollow cathode lamps to optimal positions. Allows individual setting of specific element lamp positions. Permits free configuration of working lamps and preheating lamps, maximising savings in element lamp preparation time.
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6Graphite furnace heating: Users may freely define heating profiles as required.
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7Advanced constant-power temperature control design for graphite furnace: Ensures uniform graphite tube temperature distribution and maintains excellent dynamic stability at operating temperatures, guaranteeing analytical accuracy.
Product Parameters
Optical System
| Wavelength range | 185nm — 910nm Auto-adjustment |
| Raster line density | 1800 lines/mm Aberration-corrected Czerny-Turner monochromator |
| Monochromator | Multi-range automatic switching: 0.1, 0.2, 0.4, 1.0, 2.0nm |
| Spectral bandwidth | ±0.10nm |
| Wavelength accuracy | ≤0.05nm Wide-spectral-range photomultiplier tube |
| Wavelength repeatability | Resolves manganese lamp doublets at 279.5nm and 279.8nm, with trough energy between the two lines less than 20%. |
| Detector | 185nm — 910nm Auto-adjustment |
| Resolution | 1800 lines/mm Aberration-corrected Czerny-Turner monochromator |
Lighting System
| Lamp holder | Automatic switching for 8 lamp holders |
| Lamp power supply method | 400Hz square wave pulse |
| Lamp current adjustment range | 2–10mA average current |
Atomisation System
| Flame Analysis Method | |
| Detection limit (Cu) | <0.003μg/ml |
| Characteristic concentration (Cu) | <0.015μg/ml/1% |
| Burner | 100mm full titanium metal burner |
| Precision | RSD <0.5% |
| Nebuliser | Metal-jacketed high-efficiency glass nebuliser |
| Nebulisation chamber | Corrosion-resistant all-plastic atomisation chamber |
| Safety measures | Features multiple automatic safety protections: acetylene leak alarm, automatic shut-off system, etc. |
| Flame-Free (Graphite Furnace) Analytical Method | |
| Detection limit (Cd) | <0.4×10⁻¹² g |
| Characteristic quantity (Cd) | <0.5×10⁻¹² g |
| Hydrogenation-Atomic Absorption Method | |
Flame Analysis Method
| Measurement Method | Air-acetylene flame method |
| Concentration Calculation Method | Standard curve method, standard addition method, interpolation method. |
| Number of Repeat Measurements | 1st to 99th order, automatic calculation of mean, content, standard deviation, relative standard deviation. |
| Result Printing | Print test data or final analysis report. Results exportable to Word worksheets. |
| Software Environment | Windows XP / Windows 7 operating systems, Chinese professional software. |
Flame-Free (Graphite Furnace) Analytical Method
| Measurement Method | Graphite furnace peak height method, graphite furnace peak area method |
| Concentration Calculation Method | Standard curve method, standard addition method, interpolation method. |
| Background Correction | Deuterium lamp background correction exceeding 60-fold, self-absorption background subtraction exceeding 60-fold |
| Number of Repeat Measurements | 1–30 replicates, calculate mean value, provide standard deviation and relative standard deviation |
| Result Printing | Print test data or final analytical report. Results exportable to Word worksheets. |
| Software Environment | Windows XP / Windows 7 operating systems, Chinese professional software |
Product Specifications
| Power Supply | AC 220V / 50Hz |
| Power | 150VA |
| Net Weight of Instrument | 55kg |
| Gross Weight of Instrument | 80kg |
| Instrument Dimensions | 1110mm (W) × 400mm (D) × 500mm (H) |
| Packaging Dimensions | 1350mm (W) × 600mm (D) × 850mm (H) |
| Operating Ambient Temperature | 10 ~ 35℃ |
| Operating Ambient Humidity | ≤80% |
Frequently Asked Questions
Q
What wavelength range does the optical system of this atomic absorption spectrometer cover?
The instrument covers a wavelength range of 185nm to 910nm with auto-adjustment, supported by an aberration-corrected Czerny-Turner monochromator with 1800 lines/mm grating density, ensuring precise and reliable spectral measurements across a broad range.
Q
How many lamp holders does the instrument support, and can they be switched automatically?
The instrument features an 8-lamp rack (with optional 2 high-performance lamps) with fully automatic switching control. Users can individually configure working lamps and preheating lamps, significantly reducing element lamp preparation time.
Q
What background correction methods are available for graphite furnace analysis?
The graphite furnace analytical method supports two background correction approaches: deuterium lamp background correction exceeding 60-fold and self-absorption background subtraction exceeding 60-fold, ensuring highly accurate trace element analysis results.
Q
What safety protections are built into the flame analysis system?
The instrument is equipped with multiple automatic safety mechanisms, including an acetylene leak alarm, an automatic shut-off system, automatic flame-out protection, and automatic ignition — ensuring safe and reliable operation during flame analysis.
Q
What are the detection limits for flame and graphite furnace analysis methods?
For the flame analysis method, the detection limit for copper (Cu) is <0.003μg/ml, with a characteristic concentration of <0.015μg/ml/1%. For the graphite furnace method, the detection limit for cadmium (Cd) is <0.4×10⁻¹² g, with a characteristic quantity of <0.5×10⁻¹² g.
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What are the operating environment requirements for this instrument?
The instrument requires an operating ambient temperature of 10–35℃ and a relative humidity of ≤80%. It operates on AC 220V/50Hz power supply with a power consumption of 150VA, and has a net instrument weight of 55kg with overall dimensions of 1110mm (W) × 400mm (D) × 500mm (H).