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Graphite Furnace Type Atomic Absorption Spectrophotometer BEQ-4701
Atomic Absorption Spectrophotometer, Graphite Furnace Type Atomic Absorption Spectrophotometer
Key Features
- 8-Lamp Automatic Turret: Fully automatic 8-lamp turret supports 1 lamp working + 7 lamps preheating simultaneously, improving multi-element analysis efficiency.
- Stable Optical System: Aberration-corrected Czerny-Turner monochromator with a high-performance Hamamatsu PMT detector ensures stable optical performance and reliable detection.
- Precise Flame Gas Control: High-precision mass flow controllers accurately regulate fuel gas flow, while the modular gas supply system improves operational stability and safety.
- Extended Flame Linear Range: Interchangeable emission burner is suitable for easily ionized elements such as K and Na, providing a linear range up to 3x wider than a conventional flame.
- Flexible Graphite Furnace Control: Supports optical control and constant-voltage control for graphite furnace analysis, allowing optimization according to different elements and graphite tubes.
- One-Click Method Optimization: Automatic optimization of analytical conditions plus an expert method database simplifies method setup and routine operation.
- Chemical-Resistant Spray Chamber: Molded PPS spray chamber offers high chemical and thermal resistance, suitable for strong-acid and demanding sample environments.
- Multi-Level Safety & Reliable Communication: Lamp-current monitoring, safety interlocks, graphite furnace temperature protection and dual circuit breakers improve operational safety, while bus-based communication enhances anti-interference and data transmission reliability.
SKU: BEQ-4701
Pricing & Resources
- Up to 3-Year Product Warranty
- US & EU Compliance Standards
- Door-to-Door Shipping
Technical Specifications
Detailed operating and construction parameters for this model.
| Model | BEQ-4701 |
| Wavelength Range | 190-900nm |
| Spectral Bandwidth | |
| Wavelength Accuracy | Better than ±0.20nm |
| Wavelength Reproducibility | Better than 0.06 nm |
| Resolution | 0.2 nm ± 0.02 nm |
| Static Baseline Stability | Baseline drift ≤ 0.003 Abs/30 min; Instantaneous noise ≤ 0.0005 Abs |
| Dynamic Baseline Stability | Baseline drift ≤ 0.003 Abs/15 min; Instantaneous noise ≤ 0.003 Abs |
| Cd Determination by Graphite Furnace | |
| Detection Limit | ≤ 0.5 pg |
| Sensitivity | ≤ 0.6 pg |
| Precision | ≤ 2.8% |
| Linear Correlation Coefficient | ≥ 0.9994 |
| Background Correction | |
| D₂ Lamp Background Correction | At 1 A, correction capability is better than 30 times |
| S-H Background Correction | At 1.8 A, correction capability is better than 30 times |
| Monochromator | C-T Type |
| Photomultiplier | R928 |
| Atomizer | Graphite Furnace |
| Dimensions | 128x75 x83 |
| Weight | 90 kg |
Product Features
Key design, performance, usability, and safety advantages.
8-Lamp Automatic Turret: Fully automatic 8-lamp turret supports 1 lamp working + 7 lamps preheating simultaneously, improving multi-element analysis efficiency.
Stable Optical System: Aberration-corrected Czerny-Turner monochromator with a high-performance Hamamatsu PMT detector ensures stable optical performance and reliable detection.
Precise Flame Gas Control: High-precision mass flow controllers accurately regulate fuel gas flow, while the modular gas supply system improves operational stability and safety.
Extended Flame Linear Range: Interchangeable emission burner is suitable for easily ionized elements such as K and Na, providing a linear range up to 3x wider than a conventional flame.
Flexible Graphite Furnace Control: Supports optical control and constant-voltage control for graphite furnace analysis, allowing optimization according to different elements and graphite tubes.
One-Click Method Optimization: Automatic optimization of analytical conditions plus an expert method database simplifies method setup and routine operation.
Chemical-Resistant Spray Chamber: Molded PPS spray chamber offers high chemical and thermal resistance, suitable for strong-acid and demanding sample environments.
Multi-Level Safety & Reliable Communication: Lamp-current monitoring, safety interlocks, graphite furnace temperature protection and dual circuit breakers improve operational safety, while bus-based communication enhances anti-interference and data transmission reliability.