Because FTIR analysis subjects the sample to all of the mid-infrared frequencies simultaneously, if noise occurs in one part of the radiation from the infrared source, it will spread through the spectrum. Changes in atmospheric conditions can affect FTIR analysis, making it difficult to use on hi...
How FTIR Contaminant Analysis Programs Work
I would suggest X-RAY and FTIR on the molded plastic to compare to a mold material. This will tell if the plastic is different. X-Ray will tell if there is wire bonds and if the IC is present. Terry Munson President/Senior Technical Consultant Foresite Mr. Munson, President and Founder...
Mass Spectrometry is a technique used in determining the molecular weight and molecular formula of an organic compound. In this method, the sample is ionized and the resulting ions are deflected based on their mass-to-charge ratios (m/z)....
I know how to remove the coating and clean the work site, but how do you verify cleanliness of the rework site prior to re-coating? Phil That is a good question. Jim That is why we have you, Phil. Phil Well , yeah right. I have to ponder this. That is a good question. We ...
This is because, unlike many other forms of testing (such as FTIR oil testing), analysts use GC/MS testing to perform 100% specific tests, which identify not only the category of substances present in a sample, but what each of those specific substances are. How does GC/MS testing work...
identification and quantification of plastics and microplastics in complex environmental matrices (such as wastewater and biosolids) and their changes over time. His research includes the use of modern potentiometric and spectroscopic tools (such as ToF-SIMS, micro-FTIR, XPS, EXAFS) to describe these...
Calibrate the IR spectrophotometer often. A minimum frequency of calibration should include a scan just before and one just after your work for the day. Things Needed Polystyrene film Reference spectra of polystyrene References Oregon State University, Department of Chemistry; FTIR Spectroscopy ...
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Some hyphenated techniques, GC–MS, LC–MS for example, FTIR, and experimental chemistry methods can be used. MS-based techniques, such as CG-MS and LC–MS, are often employed for this task. GC–MS is often likened to an "electronic nose" due to its ability to provide a spectral ...