Scientific Instruments Manufacturer GmbH - or SIM: for more than 20 years this name is signifying a passion for chromatography. A constant advancement of the company provides steadily new innovations and solutions in the high-end range of chromatography, mass spectrometry and process analysis.
Their highly motivated and specialized employees always work to ensure that no customer wish remains unfulfilled. In order to guarantee that this remains the case for the future, SIM will continue to expand.
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The SFC-FID systems enable the use of overcritical carbon dioxide as solvent and turn this separation method to a “green” chromatography. Lower solvent consumption and production of very less waste helps to improve environmental protection.
Especially for the fuel analytics in accordance with ASTM D5186, SFC-FID offers a great value by sensitive measurement of aromates and polyaromates as well as the excellent reproducibility of the results.
According to ASTM D6550, olefins in fuel can also be determined with the SFC-FID. Additionally, the SFC-FID meets all the requirements of the ASTM D7347 method to define olefins in denatured ethanol.
Thermal desorption (TD) is a sample preparation technique for gas chromatography to measure volatile and semi-volatile organic compounds in air and materials. It simplifies and speeds a lot of chromatographic applications because it can save many hours of manual sample preparation. Sample tubes filled with an adsorbent are used to collect the analytes before they are transferred via the TD system into the gas chromatograph.
Absolutely clean TD tubes are essential for a highly sensitive and reproducible measurement using thermal desorption. Here you can apply the TD CLEAN-CUBE to remove impurities from the tubes before they are used for sample collection: Up to 20 tubes are heated simultaneously under precisely controlled conditions. For high purity requirements a gas filter can be added at the purge gas in-port; for preventing laboratory air contamination, a charcoal filter can be inserted at the purge gas out-port. The conditioning procedure is completely independent of the TD system so that the TD CLEAN-CUBE saves time and protects GC column and detector.