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Instrument Database:
PG Instruments Ltd - PGI 990 Atomic Absorption Spectrophotometer
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| Year of introduction |
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| Status |
historical ( out of sale ) |
| Company |
PG Instruments Ltd
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| Categories |
Spectrometer ( Atom. ): AAS: Flame/Furnace
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The PGI 990 Atomic Absorption Spectrophotometer is available in the following configuration:
- Flame Only
- Graphite Furnace
- Combined Flame and Graphite Furnace with the option for up to nine heating ramps.
The system is fully controlled from a PC with AAWin Software. The main features of the system are:
- The integration of flame burner and graphite furnace in one compact unit enables automatic interchanging between the flame mode and furnace mode using few simple keystrokes.
- Eight lamp turret for automatic positioning of each hollow cathode lamp.
- Automatic fuel gas (C2H2) flow rate adjustment to optimise combustion in element analysis.
- Automatic adjustment of burner height for optimised analysis conditions.
- Automated wavelength scanning and peak searching.
- Automatic Reflecting/Transmittance beam-splitter positioning
- Automatic switchover of spectral bandwidth (5 choices).
- Automatic PMT and lamp current adjustment, automatic AA and BG energy balance
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