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Overview
Atomic Absorption Spectrophotometer LMAAS-A108 features czerny-turner monochromator with 350mm focal length. Equipped high-sensitivity system, it ensures superior detection limit for trace element analysis. Incorporates multiple reading modes, supporting absorbance and transmittance measurements. Integrated with advanced heating methods for controlled temperature management. Our Spectrophotometer offers safety functions, including water flow, argon pressure, and furnace heat sensors.
Features :
Speed-adjustable external gas flow rate
Automated slit selection
3600 Rotating 8-lamp turret
Deuterium background correction
Parameter and result printing
Graphite tube installation self-inspection
Specifications :
| Optical Type | Single beam |
| Atomizer | Graphite furnace |
| Monochromator | Czerny-Turner type, focal length at 350mm |
| Wavelength Range | 190 to 900 nm |
| Wavelength Accuracy | ±0.2nm |
| Wavelength Repeatability | ±0.1nm |
| Grating | Holographic diffraction grating with 1800 lines/mm |
| Slits | 0.1, 0.2, 0.4, 0.7, 1.4, 2.0nm |
| Lamp Holder | Automated 8 lamp turret |
| Detector | Wide range UV-sensitive photomultiplier tube |
| Reading Mode | Transmittance(T), Absorbance(A), Concentration(C) |
| Photometric Range | 0 to 125%, -0.1 to 3.00A |
| Static Baseline Drift (Cu) | Less than 0.003A/30 min |
| Dynamic Baseline Drift | Less than 0.005A/15min |
| Background Correction | Deuterium background correction |
| Characteristic Mass | Cd less than 0.8pg, Cu less than 20pg |
| Detection Limit | Cd less than 1pg, Cu less than 10pg |
| Repeatability (Cu) | RSD less than 4% |
| Ambient Temperature | 3000oC |
| Ramp And Holding Time | 1 to 255s |
| Heating Rate | Maximum linear heating rate 2000oC/s |
| Heating Method | Light-controlled heating, Time-controlled heating, General heating |
| Gas Flow Rate Inside Tube | 1L/min |
| Gas Flow Rate Outside Tube | 0, 50, 200, 250ml/min |
| Safety Protection | Water flow sensor, Argon pressure sensor, Furnace body temperature sensor, Graphite tube installation self-inspection |
| Software | RGWIN AAS software package |
| Analytical Method | Flame AA, Flame AE, Hydride generation |
| Concentration Calculation Method | Standard curve, Standard Addition, Interpolation |
| Repeated Measurement Times | 1-30 times, Average, SD and RSD |
| Qa/Qc Function | Correlation coefficient, SD & RSD |
| Communication Port | Standard RS-232 |
| Working Environment | Temperature 10-35 °C, Humidity less than 85% |
| Power Supply | 110/220V, 50/60Hz |
| Dimension(W×D×H) | 850×650×550mm |
| Weight | 100KG |
Standard Accessories :
| Accessory | Unit | Quantity |
| Main unit | Each | 1 |
| Power cable | Each | 1 |
| Data cable | Each | 1 |
| Screw driver | Each | 1 |
| Cu Hollow cathode lamp | Each | 1 |
| Cd Hollow cathode lamp | Each | 1 |
| USB (manual and software) | Each | 1 |
| 5A fuse | Each | 3 |
| Argon pressure reducing valve connector | Each | 1 |
| Graphite tube | Each | 5 |
| High power socket | Each | 1 |
| 6×4mm transparent argon tube (10m) | Each | 1 |
| 5 to 50µl Pipette | Each | 1 |
| 200µl Pipette tip (1000pc/bag) | Pack | 1 |
| 6×10mm cooling water tube (6m) | Each | 1 |
| Graphite furnace camera connection cable | Each | 1 |
Optional Accessories :
Model No | Accessory | Unit | Quantity |
LMAAS-A108-W1 | Circulation Cooling Water System | Each | 1 |
LMAAS-A108-G1 | Graphite Tube | Each | 1 |
LMAAS-A108-C1 | Camera for Graphite Tube | Each | 1 |
LMAAS-A108-A1 | Auto Sampler | Each | 1 |
LMAAS-A108-D1 | Deuterium Lamp | Each | 1 |
LMAAS-A108-L1 | Hollow Cathode Lamp (Al, Ba, Bi, Ca, Co, Cr, Cd, Cu, Fe, Hg, K, Li, Mg, Mn, Mo, Na, Ni, Pb, Sb, Sn, Sr. Ti, Zr) | Each | 1 |
LMAAS-A108-L2 | Hollow Cathode Lamp (Ag, As, Se, Si, Te, V, W) | Each | 1 |
LMAAS-A108-L3 | Hollow Cathode Lamp (B, P, Ge, Zr) | Each | 1 |
LMAAS-A108-L4 | Hollow Cathode Lamp (Be) | Each | 1 |
LMAAS-A108-L5 | Hollow Cathode Lamp (Au) | Each | 1 |
LMAAS-A108-L6 | Hollow Cathode Lamp (Rb) | Each | 1 |
LMAAS-A108-L7 | Hollow Cathode Lamp (Cs) | Each | 1 |
Applications :
Atomic Absorption Spectrophotometer LMAAS-A108 is employed in quantification of trace metal elements in environmental samples, biological fluids, pharmaceuticals, food, metallurgy, forensic evidence, geological materials, and agricultural products.
