Atomic Absorption Spectrophotometer NAAS-203, Wavelength Range 190nm - 900nm, LABNICS EQUIPMENT Limited Company (CAT#: STEM-SE-3005-LGZ)

The Atomic Absorption Spectrophotometer NAAS-203 is an analytical instrument that facilitates the quantification of trace metal elements based on gaseous experimental studies of their spectral activity. The microprocessor control system with RS232 interface is used to effectively control the burner gas, and automatically position and optimize the 8 hollow cathode lamp turrets. Equipped with advanced flame and graphite furnace nozzles, it rapidly heats and analyzes samples, preserving the accuracy of the instrument. The audible sound alarm system effectively monitors flame conditions to ensure the safety of the instrument and the user.

Wavelength Range: 190nm - 900nm
Grating Groove: 1800/mm
Spectral Bandwidth: 0.1nm/0.2nm/0.5nm/1.0nm/2.0nm
Wavelength Accuracy: ≤ 0.15nm
Wavelength Reproducibility: ± 0.1nm
Wavelength Resolution: 0.2nm ± 0.02nm
Baseline Stability: ≤ ± 0.002A/30 minutes( static) ; ≤ ± 0.005A/30 minutes.(dynamic)
Background Correction: Deuterium Arc 1.0Abs Self Reversal 1.0Abs
Light Source 6 position automatic turret,automatic alignment lamp
Flame Atomizer Specifications: Cu concentration: 0.015μg/mL/1%.
Detection limits (Cu): 0.002μg/mL
Precision: RSD ≤ 0.5%
Graphite Furnace Atomizer Specifications: Cd concentration: 0.5 × 10-12g
Relative Humidity: 0.4 × 10-12g
Ambient temperature: RSD = 3 %
Ambient temperature: 15°C-35°C
Power Supply: 220V (5%~-10%), 50/60 Hz; 5000VA

1. Automatic analysis, efficient glass atomizer.
2. The configuration program is flexible.
3. Has vertical heating mode.
4. There are 4 heating modes.
5. The nozzle chamber is designed with explosion-proof and corrosion-resistant materials.
6. Flame off button for auto safety precautions.
7. Temperature control drying and ashing voltage feedback control.
8. Multi-standard calibration, standard addition, interpolation, etc.

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