We make AA Easy!
Since 1970 our goal here at Buck Scientific has been to make instruments that are easy to use, and maintain for many years. We use top notch components to help our instruments withstand corrosive environments for decades, We still support the first instruments we manufactured in the early 1980's.
The 225ATS is our new entry model Atomic absorption spectrometer.
We take a hands on approach to customer service by answering our own phones. You can even talk to the engineer who assembled your instrument! Call or email us today with your AA questions 800-562-5566.
Replace your 200/205/210/211 AA spectrometer with the new 225/230/235ATS and
Our simple optical design gives our systems superior energy, and better results than double beam AA systems. Our unique design also allows our instruments to have a smaller footprint and a lower cost.
Buck Scientific 225ATS Atomic Absorption Spectrometer analysis screen
The Buck 230ATS is a high energy, microprocessor controlled single beam atomic absorption spectrometer. Solid state electronics and simple optics provide the basis for our superior stability and sensitivity. The Ebert mount monochromator and user-selectable bandwidth give the system maximum flexibility. Our 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.Optical Layout
From the time of the initial developments of Atomic Absorption Spectrometry (AAS) 50+ years ago the concept of the single beam optical system was always a fundamental design consideration. It allowed high energy throughput for the best detection limits, smaller and fewer components for the best size, and low manufacturing costs for the best price. Unfortunately, those original single beam AAS instruments made over 50 years were not used routinely due to the inherent deficiencies in the components of the time: poor hollow cathode lamp characteristics, noisy power supplies, drifting detectors & amplifiers, thermal expansion variations in optical components (mirrors, beam splitters, mounts, etc.), and so forth. To compensate for these deficiencies, and to help them stay in business; the AAS manufacturers developed the double beam optical system that became the standard design for AAS instruments over the next 30 years.
Typical Atomic Absorption spectrometer Optical Diagram
By using a high light-loss optical component (the beam splitter) to divide the signal beam from the hollow cathode lamp, served to correct for these low performance components; thus halving the available energy to make a sample measurement, compensation between the reference and sample beams was maintained. In later years, the addition of a deuterium continuum lamp for background correction introduced a second beam splitter; thus cutting the hollow cathode lamp energy in half again. This does not even take into account the 6-10 additional Mirrors used to define the optical path for these large, heavy and expensive (albeit very stable) double beam AAS instruments.
The Buck Scientific line of Atomic Absorption Spectrometers were designed to utilize the maximum energy of the single beam optical system. This allowed us to build a smaller, less expensive and more sensitive instrument. Background correction was achieved by inserting the deuterium lamp directly after the hollow cathode lamp.
A general rule of thumb for optical engineers is every time a mirror is introduced into a lightpath it deducts 10% of the energy. So in the case, less really is more!
With a 10" touchscreen computer on-board guiding you through your analysis, using an AA Spectrometer has never been easier! The All new Graphical User Interface utilizes five tabbed screens for; Analysis, controls, library, calibration, and samples. The 4 front facing USB ports make connecting a mouse and extracting data onto usb flash discs easy! Our Hideaway keyboard makes naming your samples easy and conveniently tucks in when not in use.
Buck Scientific 230ATS Atomic Absorption Spectrometer Calibration Screen
Buck Scientific 230ATS Atomic Absorption Spectrometer Library Screen
How to Set Up the 230ATS Atomic absorption spectrometer
Copper Calibration using the 230ATS Atomic absorption spectrometer
|Wavelength Range:||190 to 900nm, Accuracy ± 0.2nm, Precision ± 0.1nm|
|Monochromator / Optics:||250mm Ebert mount, 600 lines/mm grating, 0.2-0.7-2.0nm bandpass|
|Hollow Cathode Lamp Supply:||Triple HCL power supply; 3 to 75 mA peak in NORMAL mode..|
|Background Correction:||Deuterium - In-Line (see-through) configuration, pulsed illumination, hot cathode, variable frequency, corrects from 190-350nm (0.7nm slit). Variable Giant Pulse - Self-reversing HCL currents up to 750 mA with pulse time from 10 to 200 microseconds, corrects from 190-900nm. The 205AAS Does not feature D2 Background correction|
|Burner / Nebulizer:||Polypropylene spray chamber with pre-mix burner and high efficiency adjustable nebulizers (SS), Titanium burner heads for Air/Acetylene, Argon/Hydrogen and Nitrous Oxide/Acetylene operation.|
|Integration / Response Range:||User select-able times from 0.5 to 10 seconds for continuous (flame) and transient (furnace, hydride) signals.|
|Calibration:||Automatic, weighted least squares fit to 1st, 2nd, 3rd, or 4th order functions, up to 8 points.|
|Display:||10 Color touchscreen with Lynux OS|
|Output Modes:||4 USB ports|
|Dimensions / Weight:||39"L x 11"W x 12"H; 50 lbs (100 lbs shipping weight)|
|Power Supply:||100-240 VAC operating range, 50/60 Hz AC, <150 watts|
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