Atomic Absorption Spectrophotometer, Auto Set Spectral Bandwidth
Atomic Absorption Spectrophotometer Specifications:
| Model | USP-AA1800 |
|---|---|
| Light Source | Single-element or multi-element hollow cathode lamp |
| Lamp Holder | Automatic switching of six-lamp platform and full-automatic collimation |
| Lamp Current | Pulse power supply |
| Optical System | Large area 1800 /mm reticle grating, fully enclosed optical system |
| Wavelength Range | 190-900nm, automatic peak finding, one-button optical optimization |
| Wavelength Accuracy | ≤0.15nm |
| Wavelength Repeatability | ±0.1nm |
| Spectral Bandwidth | 0.1/0.2/0.4/1.0/2.0nm Auto Set |
| Baseline Drift | Static ≤ 0.002 A/30 min, dynamic ≤ 0.005 A/30 min |
| Absorbance Range | 0-4A |
| Detector | Imported photomultiplier tube |
| Size(W×D×H)(mm) | 1016x520x576 |
| Shipping Size(W×D×H)(mm) | 1270x650x720 |
| N.W./G.W. (kg) | 100/125 |
| Flame System | |
| Burner Head | All titanium burner head, 50mm or 100mm universal burner head |
| Atomizing Chamber | Macromolecule anti-explosion and anti-corrosion atomizing chamber |
| Nebulizer | High-efficiency glass nebulizer, can also be customized |
| Ignition Mode | Microcomputer control, automatic ignition |
| Gas Control | Automatic gas control system |
| Characteristic Concentration | 0.015µg/mL/1%(Cu) |
| Detection Limit | 0.002µg/mL(Cu) |
| Precision | RSD≤0.5% |
| Safety | Multiple protection measures such as gas leakage alarm, automatic protection against tempering, and automatic power failure in case of abnormality |
| Graphite Furnace System | |
| Heating Mode | Longitudinal heating |
| Temperature Control Mode | Longitudinal optical temperature control monitors the inner wall temperature of the graphite tube |
| Temperature Range | RT to 3000 c |
| Program Temperature Control | Automatic temperature control up to 20 stages, enrichment and concentration in the furnace up to 20 times |
| Characteristic Quantity | 0.5×10-12g (CD) |
| Detection Limit | 0.4×10-12g (CD) |
| Precision | RSD≤3% |
| Cooling Water | Optional cooling water circulation system |
| Safety | Graphite tube damage, water flow, air pressure alarm; Water temperature overheat protection |
| Graphite Furnace Autosampler (optional) | |
| Sample Tray | 130-position sample cup, 6-position reagent cup |
| Injection Volume | 0.01-100µl |
| Minimum Increment | 0.01µl |
| Injection Volume Repeatability | 0.01 |
| Duplicate Injections | UP to 99 |
| Wash Container Volume | 500mL |
| Background Correction | |
| Deuterium Lamp Background Correction | 1A background can be corrected |
| Self-priming Background Correction | 1A background can be corrected |
| Data Processing | |
| Measurement Methods | Flame method, graphite furnace method, hydride generation-atomic absorption method |
| Calculation Methods of Concentration | Standard curve method (cubic curve), automatic fitting, and standard addition method |
| Repeat Measurement Times | 1–99 times, calculate the average value, and give the standard deviation and relative standard deviation |
| Result Printing | Parameter printing, data result printing, graphic printing, and word and excel documents can be exported |
USP-AA1800 atomic absorption spectrophotometer is widely used in scientific research, environmental protection, quality inspection, and other industries. The following are its features:
High precision, fully automatic optical system, all lenses are coated with quartz coating to ensure analysis accuracy.
Polymer material anti-corrosion atomization chamber to ensure sensitivity and stability.
Optional 50mm and 100mm titanium burner greatly improves the flame efficiency and analysis accuracy.
Fully automatic analysis can be completed with safe ignition, extinguishing and switching operations to improve the sensitivity of flame analysis.
Graphite furnace temperature control can increase the highest temperature to 3000 ℃ / s. With automatic optimization, it can automatically ignite and adjust the flame height.
USP-AA1800 atomic spectrophotometer test sensitivity reaches the advanced level in the industry, with sensitivity ≤ 0.015μg/mL/1%.
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