GBC SavantAA Σ AAS spectrometer (Refurbished)

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