Industrial Flame Photometer


PFP-7 Industrial Flame Photometer

  • Designed for industrial analysis
  • Supplied with Na, K, Li, Ba and Ca filters
  • Low temperature, single channel
  • Flame failure safety system
  • Operates with propane, butane, natural gas or LPG

The PFP7 is a low temperature, single channel flame photometer that is designed for the routine determination of sodium, potassium, calcium, barium and lithium concentrations. The flame failure safety system makes these products ideal for use in industrial and educational environments. The use of fine and coarse sensitivity controls allows for accurate measurements each and every time.


Parameter: PFP-7
Range: 0 to 199.9ppm
Limits of detection Na: 0.2ppm
K 0.2ppm
Li 0.25ppm
Ca 15ppm
Ba 30ppm
Reproducibility: <1% coefficient of variation for 20 consecutive samples using 10ppm Na set to read 50
Linearity: < 2% error when 3ppm Na/K and 5ppm Li are set to read 100
Stability: < 2% drift over 5min when continuously aspirating 10ppm sample set to 50.0. Specificity Interference from Na/K and Li equal in concentration to test element will be <0.5%
Recorder output: Nominal 1.00V for a reading of 100.0
Electrical supply: 90-125V or 190-250V @50/60Hz
Air supply: Moisture and oil free, 6 litre/min @ 14psi
Fuel: Propane, butane, natural gas or LPG
Size (w x d x h): 420 x 360 x 300mm
Weight: 8kg

410 Cold Vapor Mercury (Hg) Analyzer



The Model 410 Mercury Analyzer incorporates the Hatch & Ott Cold Vapor Technique for the analysis of trace levels of mercury in drinking, surface and saline waters, as well as domestic and industrial wastes.  Perfect for EPA Method 245.1.


  • Detection limit 10 PPT
  • 400 mm Flowcell for lower detection levels
  • Complete analytical system includes Hg Cold Vapor kit
  • Affordable price perfect for labs with limited budget
  • Quick analysis and recovery time
  • Up to eight point calibration curve
  • Push button Quick-Purge for flow cell flushing
  • RS 232, printer, and analog recorder output
  • Simple to use-minimal operator training
  • D2 Background correction
  • Live technical assistance for the life of the instrument

Summary of method

This method is based on the absorption of radiation by mercury vapor at the 253.7nm line. The mercury is first reduced to the elemental state using the procedure outlined in EPA method 245.1. Air is then bubbled through the sample, speeding the mercury vapor to the absorption cell. The 253.7nm mercury line emitted by the lamp is absorbed by the vapor in the cell in proportion to the mercury concentration. The result is transmitted to the digital readout which can be read directly in concentration of mercury. The instrument has a built-in Peak-Picker which reads peak area. The operator records this reading before purging. The instrument is then ready for the next sample.


Detection Limits: 10 PPT (In a clean lab environment)
Absorption Cell: 400 mm pathlength with silica windows
Power Requirements: 115/220V.A.C, 50/60Hz, 80 watts
Dimensions: 39″W x 11″D x 12″H  Weight: 45 lbs.
Output: RS232 and Analog
Background Correction: In-line Deuterium Lamp
Delivery system: Includes air dryer and charcoal filter


205 Atomic Absorption Spectrophotometer

  • Stable, Reliable, & Easy to use.
  • 3 lamp power supply, (1 internal 2 external)
  • Great for samples with low dissolved solids
  • Compact size and light weight
  • Rugged military grade design stands up to years of abuse.
  • D2 Background correction can be added for an extra $1,000 dollars.
  • Free Buck Analyst Software
  • Low cost consumables and maintenance

Standard Features

The 205 is shipped ready for use. All operating conditions are pre-loaded in the internal computer, including lamp settings, secondary wavelengths, and alternate methods of analysis for over 60 elements by flame and hydride techniques.

Direct report generation to a printer or data linking to the free Buck Analyst software* package is easily done using the parallel and RS-232 serial ports.

*Buck Analyst Software links at bottom of page

Analytical Performance

The Buck 205 is a high energy, microprocessor controlled single beam atomic absorption spectrophotometer. 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.


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, 3 to 750mA in GIANT PULSE mode. The 205 has a three lamp design.
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.
Microprocessor: Computer control by 80C188 chip, 8/16 bit operation, 12/24 MHz clockspeed; non-volatile SRAM storage of >200 method files.
Integration / Response Range: User selectable 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: 16-line backlit liquid crystal display for all text and graphics
Output Modes: LCD display, IEEE-488 Parallel port for dot-matrix printer, RS-232 Serial port
Dimensions / Weight: 39″L x 11″W x 12″H; 50 lbs (81 lbs shipping weight)
Power Supply: 100-240 VAC operating range, 50/60 Hz AC, <150 watts

220 Graphite Furnace Upgrade


Unique Furnace Design :

The Model 220 GF accessory is for PPB level analyses by graphite furnace AA. This fully integrated design uses an innovative, unique technology in a compact powerful furnace module. The quick-mount design permits rapid changeover between furnace and flame heads.


The unique power supply in our furnace is capable of generating temperatures up to 3000°C in less than a second! This ultra-fast heating rate provides superior sensitivity in refractory elements and carbide-forming metals. The on-board firmware gives the analytical chemist full control of all aspects of the analysis. Gas flows (external, internal, mini-internal and auxiliary are standard), data collection (integrated, real-time, peak height or absorbance area) and electronic parameters for the hollow cathode lamps and the various background correction routines can all be programmed by the operator for maximum results.


The Stabilized-Temperature Graphite Furnace AA (STGFAAS) procedure insures the highest accuracy and reproducibility. The 210VGP can initiate multistep sequences with alternate gas purging for fully optimized STGFAAS.

System Integration:

The integration of the controlling software with the furnace module is comprehensive, and methods development time can easily be cut in half by using our protocols to refine an analytical method. The Model 220AS random-access autosampler will fully automate your analytical operations without the need for an external PC to control the system. By incorporating a sample ID table within the software, complete data handling can be done internally.


Dimensions: 16″H x 12″W x 6″D, Net Weight equal to or less than 38 lbs

Back-Mounted Microprocessor-Controlled, high-Frequency (2KHz) Graphite Furnace module with 3000ºC /second heating rate. Maximum Temperature 3000ºC.

Self contained assembly attaches directly to the 210 or 211 AA unit with no external computer interfacing cables or connectors. Contains four ( 4 ) automatically controlled gas ports for sheath, internal, diluent, and auxiliary gas flows.

Preprogrammed furnace temperature programs for all elements.

No external computer required for operation.

1-Year Full Parts & Labor Warranty

Buck Scientific Support for Operations, Applications & Service.

  • Product Name: Buck 210VGP/220 Graphite furnace
  • Package Type: Each
  • Units Per Package: 1
  • Minimum Order Quantity: 1
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