This Draft Uganda Standard, DUS , is based on ASTM E – . ASTM Standards volume information, refer to the standard’s Document Summary . Fourier Transform Infrared Spectrometry ASTM E, ASTM E FTIR can generate an infrared spectral scan of samples that absorb infrared light. Scope. ASTM E – FTIR ANALYSIS TESTING SERVICES – ASTM E is a method of identifying organic compounds by FTIR analysis.

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This instrument transmits an infrared light through a sample and varies the wavelength of the light as it records how much light is absorbed at w1252 wavelength.

Fourier Transform Infrared Spectrometry ASTM E168, ASTM E1252

The resulting spectrum can be searched against a computerized database containing known spectra for thousands of organic materials.

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FTIR can identify the difference between materials, such as polypropylene and polyethylene, which 1e252 made of only carbon and hydrogen but have different types of bonds between the elements.

Standards can be obtained from appropriate standards authorities. Identify the primary component of a plastic, rubber, or organic material. The mid-infrared region is from to wavenumbers, which equals wavelengths of 2. Differences noted in a newly generated spectral scan could indicate a change in processing or a possible e2152 problem.

Validating the specifications, value and safety of your raw materials, products and assets.

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Accept and continue Learn more about the cookies we use and how to change your settings. Poor at identifying minor components in mixtures or finding trace additives unless they can be separated prior to analysis. A stored reference scan will allow all future material scans to be compared aztm to the same earlier scan.

The results are typically plotted as a spectrum with frequency on the X-axis and absorption on the Y-axis. Computerized spectral matches to the unknown spectral scan are presented from best d1252 worst with assigned certainty ratings. Contact us for a quote. Materials with similar organic bonds but different molecular weights such as hydrocarbon oil, paraffin wax, low density polyethylene, and high density polyethylene can have similar spectra.

A spectral scan of a reference material can be generated and stored aatm a spectral library database. Advanced Plastic and Material Testing, Inc. Computerized spectral searches can quickly compare an unknown spectrum to a very large number of spectra located in multiple databases in a very short period aztm time.

Samples, which can be easily tested by reflective FTIR, include polymer pellets, parts, opaque samples, fibers, powders, wire coatings, and liquids. Once the solvent is evaporated off an FTIR analysis is performed on the solvent wash residue.

FTIR spectral subtractions are used to look for internal contamination in polymers.

ASTM E1252 – FTIR ANALYSIS TESTING SERVICES

Material testing you can trust since Inspection Validating the specifications, value and safety of your raw materials, products and assets. Further identification may be aided by DSC. Through our network of over 43, people in 1, laboratories and offices in countries, Intertek provides quality and safety solutions to a wide range of industries around the world. The better the match, the higher the certainty for a correct identification of the unknown polymer. Testing Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards.

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A skilled FTIR analyst is needed to examine the computer selected spectral matches to ensure that sample identifications are both accurate and complete. We use cookies to make our website easier to use and to better understand your needs.

Samples the size of a single resin pellet can be scanned by reflective FTIR.

Fourier Transform Infrared Spectrometry ASTM E, ASTM E

e12552 A solvent wash involves using a solvent that is nondestructive to the sample. Find Similar Items This product falls into the following categories. FTIR is also used for quality control of materials and for contamination analysis surface or internal. Global Reach Intertek is the industry leader with over 42, people in 1, locations in over countries.

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