The GBC SavantAA Σ is a top-of-the-range atomic absorption spectrometer (AAS) designed for fully automated, multi-element analysis. This true double-beam instrument with all-reflective optics delivers high sensitivity, excellent stability, and advanced background correction for demanding analytical laboratories.
Key features
- True double-beam AAS with flame and emission capability
- Fully automated eight-lamp turret with auto-alignment
- Coded lamp recognition for all lamps
- Super Lamp Power Supply (1 lamp standard, optional 4-lamp SLPS)
- Automatic wavelength selection from 175–900 nm
- Motorized workhead adjustment (vertical and horizontal)
- Automatic burner rotation programmable within methods
- Electronic sample viewing
- USB communication for instrument control
Optical and monochromator system
- All-reflective optical system with quartz-coated mirrors
- Asymmetric modulation (2:1 sample/reference) reducing noise up to 40%
- Ebert–Fastie monochromator, 333 mm focal length
- 1800 line/mm holographic grating, dual-blazed
- Continuously adjustable slit width from 0.1–2.0 nm (0.1 nm steps)
- Automatic slit width and height selection
- Sealed optical system resistant to dust and vapors
Background correction
- Hyper-Pulse fast background correction
- 200–240 readings per second (50/60 Hz)
- Deuterium arc lamp covering 175–425 nm
- Correction up to 2.5 absorbance units
Flame atomization and burner system
- Premix flame system with inert polymer mixing chamber
- All-titanium burner with optional N₂O burner
- Nebulizer with platinum–iridium capillary and inert venturi
- Adjustable and lockable sample uptake rate
- Quick-change system for flame/graphite furnace operation
- Motorized burner height and horizontal adjustment
Automatic burner rotation
- Programmable 0–90° rotation range
- ±0.1° angle resolution
- Enables automatic re-measurement of over-range samples
Performance
- >0.9 absorbance for 5 mg/L Cu
- RSD <0.5% under repeatability conditions
Supplied accessories (included in the price of the spectrometer):
- 2x superlamp Ni, As
- Ag, Al, Sn, Be, V, Cd, Se, Mo, Sb, Mn, Fe, Cr, Zn, Co, Cu, Ba, Ca, Mg, Pb
