AA500F Flame Atomic Absorption Spectrometer PG Instruments

Specifications

Wavelength Range

185 nm- 910 nm

Monochromator

Czerny-Turner Configuration

Spectral Bandwidth

0.1 nm, 0.2 nm, 0.4 nm, 1.0 nm, 2.0 nm,( software selectable ).

Wavelength Accuracy

± 0.15 nm

Wavelength Reproducibility

< 0.05 nm

Resolution

0.2 nm ± 0.02 nm

baseline Stability

0.005 A/30 min

Sensitivity ( Cu )

2 µg/ml  Absorption > 0.28A ( flame )

Detection Limit

Cu < 0.004  µg/ml  ( flame ) Cd < 0.4 x 10-12g  ( graphite furnace )

Repeatability

Cu < 0.7% (Air/Acetylene flame )

Ba < 1.0% ( Nitrous oxide/Acetylene flame ) Cu < 2.0% Cd < 2.0% ( Graphite Furnace )

Background Correction

Deuterium Arc, Self reversal

Characteristic Concentration

Cu < 0.02 µg/ml,  Ba < 0.15 mg/ml ( N2O/Acetylene )

Burner Heads

Titanium Alloy

Nebuliser

Inert Adjustable Nebuliser, Flow Rate from 2ml - 6ml/min. Pt/Ir capillary available for  high acid  concentration

Atomization Chamber

Corrosion-resistant material

Position Adjustment

Automatic changeover ( AA500GF ) Manual ( AA500F ) Automatic Settingof Optimum Height for  Flame  Burner.

Safety Functions

Burner Identification, Flame  Sensor, Gas leak  Sensor, Low Gas Pressure Sensor, Drain  Trap Sensor, Power Loss Protection, Circulation Water ( graphite ), Over  Temperature Sensor ( graphite )