Eastern - Model ED-XRF - X-ray Fluorescence Technology
Popular for its relatively low-cost of acquisition, ease of use, and limited sample preparation, Energy Dispersive X-ray Fluorescence (ED-XRF) technology is a popular piece of test equipment for many application needs.
Product Details
When sufficient energy light waves (x-ray or photon) are absorbed by an atom, the inner shell electrons are excited to an outer shell or removed completely. The empty inner shell that remains is ‘filled’ by electrons from an outer shell of the atom. The difference in energies between the two shells involved is excess energy; which, when generated in this process, is emitted as radiation (fluorescence). In a given element the energy difference between two specific orbital shells is characteristic of that element and is always the same.
Therefore, the emitted light wave will always have the same energy...by determining the energy emitted by a particular sample, XRF spectrometers are able to identify the element(s) involved.
The Major XRF Components
There are three major parts in XRF analyzers that affect performance and capabilities. First, an x-ray source known as an x-ray tube (generally 40-60kV, 50-300W) emits an x-ray beam into the sample being analyzed. After this beam excites and displaces electrons the resulting energy that is characteristic to the element is emitted as a wavelength and collected by another critical component, the detection system. The type of detection system varies in each model, providing different benefits that suite a particular testing need. A last component is the software package; which is based on algorithms developed for specific applications and processes the information collected by the detection system.
The components utilized are important for an instrument’s daily performance (accuracy, speed, repeatability) and the analyzers long-term life. Eastern Applied Research selects only top performing components for repair services and has teamed with manufacturers that source only reliable components for the new analyzers offered.
XRF Compared to Other Analytical Techniques
Other methods of elemental analysis or chemical characterization (atomic absorption, inductively coupled plasma spectroscopy, wavelength dispersive XRF) are either destructive, require massive units, are limited in function, or are too expensive when compared to the energy dispersive x-ray fluorescence model. The benefits of ED-XRF in comparison make it the preferred method for a variety of applications needs.
Hitachi High-Technologies, Distribution and Support
The Hitachi line is the evolution of the popular Seiko XRF line and Eastern Applied is pleased to provide sales and service across the United States, Canada, and Mexico. Known for high precision, innovation, and analyzer longevity, the Hitachi line excels at ultra thin coating measurements because of its poly-capillary optics and offers high throughput because of the lines Vortex detectors.
- Hitachi XRF FT Series: Quality Control in Coating Thickness (coating thickness, composition, bath analysis)
- Hitachi XRF EA Series: Process Control Testing (RoHS testing and Process Control)
XRF Benefits
Even users of x-ray fluorescence technology may not realize the full benefits that systems can offer.
BENEFITS OF ED-XRF TECHNOLOGY:
- Versatile Testing Equipment, potentially solving multiple analytic needs with one system
- Lower Initial Cost; compared to other technologies, acquisition costs of most XRF will be lower
- Minimal Upkeep and Operational Costs
- Maximize Profits Through Accuracy;
- Non-Destructive Testing Technology
- Almost Instant Results; depending on the application, results in 5-300 seconds
- Relatively Simple Technology; most users can learn how to take measurements quickly
Also, some applications that are able to be solved through utilizing x-ray fluorescence as an in-house testing device eliminate the need to send samples to outside laboratories. In these cases, additional benefits are realized by the XRF user...
- Increased Turn-Around and Production Output
- Ability/Option to Test Every Part, complete quality control
- Lowered Long-Term Costs, the ROI of an XRF can be quick in these cases
- No Shipping of Samples; eliminate the hassle and the cost with in-house XRF testing
- Complete Control of Your Quality Control Testing
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