X-Ray Fluorescence spectrometers (XRF) use high energy X-rays (or gamma rays) to excite fluorescent radiation or photons from a sample for elemental analysis. In wavelength dispersive x-ray fluorescence spectroscopy (WDXRF), photons emitted by the sample are separated or dispersed by diffraction before hitting the detector. This is accomplished by placing an analyzing crystal between the sample and the detector. Therefore, WDXRF spectrometers have better resolution than energy dispersive x-ray fluorescence spectrometers which do not contain an analyzing crystal. However, due to the increase in optical components, WDXRF spectrometers typical have a lower efficiency than EDXRF spectrometers and, hence, require a higher power x-ray tube (which can add to the cost of the instrument).
There are two types of WDXRF spectrometers: simultaneous and sequential. In simultaneous WDXRF spectrometers, multiple detectors placed at different angles are used to analyze multiple elements simultaneously. In sequential WDXRF Spectrometers, the crystal is turned while elements are analyzed sequentially. Sequential WDXRF spectrometers typically have better intensity, but take longer to record measurements. WDXRF is a nondestructive technique and has applications in many industries where elemental analysis is needed, such as geoscience, environmental analysis, food safety, and analyzing archeological artifacts.
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Energy Dispersive XRF Spectrometers (EDXRF)
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Company | Thermo Fisher Scientific | Thermo Fisher Scientific | Thermo Fisher Scientific |
Item | Thermo Scientific™ ARL™ OPTIM'X WDXRF Spectrometer | Thermo Scientific ARL PERFORM'X Advanced WDXRF Spectrometer | Thermo Scientific™ ARL™ 9900 XRF series with integrated XRD capability |
Catalog Number | IQLAAHGABMFAASMACH | IQLAAHGABMFALXMAZE | IQLAAHGABMFAAJMABT |
Price | | | |
Principle | Wavelength Dispersive X-ray Fluorescence | Sequential Wavelength Dispersive XRF | X-Ray Fluorescence with integrated X-ray diffraction |
X-Ray Tube | Air cooled Rh anode end window tube with thin Be window (0.075 mm). Other anodes available on request. | rhodium anode end window X-ray tube with extra-thin Be window | Latest generation high performance Rh anode end window tube. Extra thin Be window (0.05 mm) increases sensitivity for light elements. |
Goniometer Type | Fully automatic, gearless, microprocessor controlled compact goniometer using optical encoders | Inquire | Inquire |
Detector(s) | Inquire | Long life flow proportional counter and scintillation counter | scintillation and flow proportional |
Analysis Diameter | 52 mm | can vary from 35 mm diameter down to 0.5 mm for small spots and for elemental mapping | Inquire |
Description | Meet demanding materials analysis requirements with qualitative and quantitative characterization of all types of conductive and non-conductive unknown samples. The Thermo Scientific™ ARL™ OPTIM'X WDXRF Spectrometer provides all the benefits of wavelength dispersive x-ray fluorescence (WDXRF), one Meet demanding materials analysis requirements with qualitative and quantitative characterization of all types of conductive and non-conductive unknown samples. The Thermo Scientific™ ARL™ OPTIM'X WDXRF Spectrometer provides all the benefits of wavelength dispersive x-ray fluorescence (WDXRF), one of the most versatile methods for elemental analysis of solids and liquids. The system is available in four preconfigured packages specifically suited for analysis in the petroleum, cement and slags industries or for multi-purpose requirements in analytical laboratories.
Features:- Unique WDXRF platform with sequential and/or simultaneous capabilities
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500W equivalent analytical performance from 200W X-ray power
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200W equivalent analytical performance from 50W X-ray power
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Element coverage from carbon to uranium, depending on configuration
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High precision (short term and long term repeatability) thanks to temperature regulation of spectrometer and crystals
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Superior spectral resolution from low Z elements to heavy elements (~15 eV at CaKa)
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Stand-alone and autonomous operation without water cooling
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No gas supply required (depending on the configuration)
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Simple and direct sample introduction
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Automatic analysis of batches with sample changer
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Small footprint
... Read More | Solve analytical challenges in a wide range of applications with one comprehensive tool. The Thermo Scientific™ ARL™ PERFORM'X Sequential X-Ray Fluorescence Spectrometer for advanced materials characterization integrates bulk elemental analysis with mapping and small spot analysis to create a Solve analytical challenges in a wide range of applications with one comprehensive tool. The Thermo Scientific™ ARL™ PERFORM'X Sequential X-Ray Fluorescence Spectrometer for advanced materials characterization integrates bulk elemental analysis with mapping and small spot analysis to create a solution that evaluates up to 90 elements in nearly any solid or liquid sample. Industries as diverse as metallurgy, petroleum, polymers, mining, glass, cement and refractories as well as labs dealing with geochemistry, materials science, environmental research and forensics will benefit from its performance and versatility.
Features:- Large library of factory calibrations covering many metals and non-metals applications
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Material composition mapping and quantification capability
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Small spot analysis for contamination or defect identification and quantification
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Industry-leading liquid sample recognition and leak prevention design
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Wide dynamic range (from sub ppm to 100%) and excellent precision
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Integrated comprehensive sample changer allows large numbers of different samples to be treated fully automatically in mixed batches
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Faster analysis cycle time for high throughput lab applications using XY-loader for fully automated sample management
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Easy, non-destructive sample preparation
... Read More | Save money and achieve quality control in your industrial process with full simultaneous and sequential capabilities integrated into one instrument. The Thermo Scientific™ ARL™ 9900 Simultaneous-Sequential XRF Series can be equipped with the innovative SmartGonio goniometer for simple, cost-Save money and achieve quality control in your industrial process with full simultaneous and sequential capabilities integrated into one instrument. The Thermo Scientific™ ARL™ 9900 Simultaneous-Sequential XRF Series can be equipped with the innovative SmartGonio goniometer for simple, cost-effective configurations or the universal goniometer for more advanced, flexible analysis, while up to 24 monochromator fixed channels ensure rapid and simultaneous analysis to meet the demand for high precision in various industries like steel, copper, aluminium, cement and mining.
Features:- Full simultaneous and sequential capabilities integrated in one instrument
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Can be configured with an XRF goniometer and up to 24 fixed channels for ultra-fast analysis
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Fast, simple and highly reliable sample introduction system
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Rapid, precise analysis of solid samples
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“LoVap technology” X-ray tube fitted with 50 micron Be window ensures excellent long term stability and best analytical performance
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Goniometers detects the presence of up to 83 elements, from B to Am, 5 to 95 in the periodic table
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Detects concentrations ranging from parts per million to 100%
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Advanced integrated software reports results as soon as analysis is performed
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With IntelliPower, choose the right power according to your application demands: 1500W, 2500W, or 4200W
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Modular construction allowing the instrument to be specified to suit the particular requirements of the application
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Ultra-low detector gas consumption
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Optional innovative XRD systems can be integrated to allow phase analysis; see also Total Cement Analyzer versions
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Easily upgraded to handle evolving analytical requirements
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