Buck Scientific 210VGP Atomic Absorption Spectrophotometer

Condition: New Brand new item from stock or on order from manufacturer
Alternate Names:
AA Spectrometer
Stock #:
Available In Stock (request a quote)
Dimensions (approx.):
12"W x 40"L x 12"H (outside)
Product Description Wavelength range: 190 - 900nm. Precision: ±0.1nm. Accuracy: ±0.2nm. Built-in microprocessor with software for operation. RS-232 port. Dual background correction. Comprehensive microprocessing for methods storage and data manipulation. All operating conditions are preloaded in the internal computer, including lamp settings, secondary wavelengths, and alternate methods of analysis for over 60 elements by flame, furnace, or hydride techniques. The three lamp turret has individual controls for alignment and staywarm/operating facilities for each lamp. Direct report generation to a printer or data linking to the optional AAnalyze software package is easily done using the parallel and RS232C ports. The short-path dynamic nebulizer/burner configuration is highly efficient. An inert needle, precisely positioned in a high flow venturi, delivers sample to the corrosion proof impact bead. This results in a tremendously high nebulization effect for all types of sample matrices. The 210VGP offers two exceptional background correction systems; a unique, in-line D2 system and Variable Giant Pulse (VGP) correction. Deuterium (D2) Continuum Lamp Correction: A D2 lamp emits radiation from the far-UV region (<190nm through approximately 350nm). The D2 emission corresponds precisely with the spectrum of the analyte. Using modulated signals, the absorbance of analyte and background interferences are ratioed resulting in a clean, unbiased absorbance signal. Variable Giant Pulse (VGP) Correction: Hollow cathode lamps normally operate at currents of 3-15 mA. If the applied power is raised to several hundred mA, they exhibit a phenomenon called self-reversal. This giant pulse of current changes the nature of the analyte absorption line so it will only measure the background absorbance. Like D2 correction, the background absorbance is subtracted from the total signal to give the corrected sample reading. The VGP system removes interferences for elements outside the normal D2-UV region. Buck's unique internal software allows the user to vary both modes of the background correction to optimize the analysis for selected elements. Furnace can be added for an extra cost, as can many other accessories - call to inquire.
The following link provides additional information from the instruction manual or original manufacturer's brochure. Right-click to open the PDF in a new window or download it:


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