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Instrument Database:
Baird - Plasma PST - Simultaneous ICP-OES Spectrometer
( Thermo Scientific )
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| Year of introduction |
1989 |
| Status |
historical ( out of service ) |
| Company |
Baird
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| Categories |
Spectrometer ( Atom. ): AES: ICP-AES
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The Baird Plasma PST is the industry leader in performance and productivity. Recognized as the "workhorse" of all ICP's, the PST reliably delivers rapid, accurate results under the most demanding requirements of multielement determinations in large sampie loads.
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| Specifications |
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Dimensions (w x d x h in cm)
| | Weight (kg)
| | Power
| | Spectrometer
| 1-m polychromator, Paschen-Runge mount; Shock-mounted, stress-relieved, vacuum-welded enclosure sealed to prevent contamination. Matched coeffieients of thermal expansion for dimensional stability despite temperature changes
0.5-m monochromator (optional) ; Czerny-Turner mount; argon purged for wavelength coverage Irom 162 to 800 nm
| | Grating | 1440 grooves/mm; 50 x 30 mm; blazed at 546 nm
| Optics
| Focusing lens, quartz window and front-surfaced, UV-coated mirror purged with argon to prevent contamination; up to 230 pre-aligned exit slits | | Wavelength range | 346 to 767 nm in first order, 162 to 383 nm in second order
| Wavelength drive
| sine bar positioning for scanning monochromator; Computer-controlled translation device provides scanning over 1.2 nm in polychromator
| | Resolution | 0.664 nm/mm in first order, 0.332 nm/mm in second order
| | Detector | up to 60 PMTs, gain voltage under computer control
| Detection mode
| | | Read out | |
| | ICP generator
| crystal controlled for 0.05% frequency
stability, automatic impedance matching network
| | Frequency (MHz) | 40.68
| Power (Watt)
| 1500
| Load coil
| | Torch
| One-pieee quartz torch, high/low flow. Optional two-piece HF-resistant torch. Precision X-Y carriage movement for varying observation zone from external controls
| Argon flow (L/min)
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| | | Sample introduction | LB concentric pneumatie nebulizer. Optional HF-resistant, highsolids Babbington nebulizer. Glass spray chamber
| Operating system and software
| Baird Plasmacomp V Software
| Computer
| IBM Personal System 2 Computer. High-resolution 12" color monitor. Dot matrix printer with 10" carriage
| Short term precision (RSD for 10 replicates)
| | Long term precision (RSD for 4 hours)
| | Sensitivity
| | | Detection limits (3s, µg/L) | | Accessories
| 114 position autosampler; UDX nebulizer; automated hydride generator
| Special features
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