Atomic Absorption Spectrophotometer LAAS-A23 Catalog

Overview

Atomic Absorption Spectrophotometer LAAS-A23 is a microcomputer-controlled instrument with automated ignition mode and a wavelength range of 185 nm to 900 nm. Equipped with an automatic gas control mechanism and an automatic temperature control for up to 20 orders for the user's reliability. Designed with polymer explosion-proof spray chamber and full titanium combustion head for ensuring low maintenance of the spectrophotometer.

Features :

• • Delivers wavelength range of 185 nm to 900 nm and wavelength accuracy of ± 0.15 nm
  • Offers detection limit of 0.02 µg/ml and precision of RSD ≤ 0.5 %
  • Graphite furnace analytical system comprises of vertical heating mode
  • Imported photomultiplier tube as a detector for detecting the signal
  • Titanium Combustion head for enhancing the flame analysis accuracy
  • Atomization chamber designed with polymer explosion proof spray chamber
  • Vertical optical temperature monitoring for graphite tube wall temperature detection
  • Device has a temperature ranging from room temperature to 3000 ℃
  • Program has automatic temperature control up to 20 order
  • Furnace is enriched up to 20 times for providing high efficiency
  • Selectable water circulation system for the ease of the operation
  • Control for Graphite tube damage, water flow, air pressure and over temperature alarm for safety
  • Automatic gas control for the straightforward operation of the device
  • Automatic ignition mode for the reliability of the user
  • Large 1800 / mm grating ruling with full closed optical system

Specifications :

Wavelength range	185 to 900 nm
Spectral Bandwidth	0.1 nm,0.2 nm,0.4 nm, 0.7 nm, 1.0 nm, 1.4 nm, 2.0 nm automatic setting
Wavelength accuracy	± 0.15 nm
Wavelength repeatability	< 0.1 nm
Baseline Stability	≤ ± 0.002 A/30 min (Static), ≤ ± 0.004 A/30 min (Dynamic)
Absorbance Range	0 to 4 A
The Program	Automatic temperature controls up to 20 order
Temperature Range	Room temperature to 3000 ℃
Detector	Imported photomultiplier tube
Heating Mode	Vertical heating
Temperature Control Method	Vertical optical temperature monitoring graphite tube wall temperature
Temperature Control	The furnace enriched up to 20 times
Lamp holder	≤ 8 lamps automatic turret, automatic alignment
Lamp power supply mode	Pulsed power supply
Optical System	Large 1800 /mm grating ruling, full closed optical system
Atomization Chamber	Polymer explosion-proof spray chamber
Characteristics Volume	0.4 × 10-12g (Cd)
Detection Limit	0.4 × 10-12g (Cd)
Detection Limit (Cu)	0.002 μg/mL
Burner	Full titanium combustion head, 50 mm or 100 mm general combustion head
Nebulizer	Atomizer efficient glass atomizer, can also be customized
Precision	RSD ≤ 0.5
Ignition Type	Microcomputer control, automatic ignition
Safety measures	Graphite tube damage, water flow Air pressure and other alarm temperature overheating protection
Gas Control	Automatic gas control system
Cooling Water	Can choose cooling water circulation system
Power supply	110 / 220 V (+5 % to -10 %), 60 / 50 Hz; 5000 VA

Applications :

Atomic Absorption Spectrophotometer is widely used for analysis of metals in the fluids across various industries like food, petroleum, chemicals, pharmaceuticals, etc.