New moisture filter for Supercritical Fluid Chromatography (SFC)
Jan 26 2021 Read 1300 Times
Supercritical Fluid Chromatography (SFC) is a chromatographic separation technique that is becoming an appealing alternative in many applications. It uses a distinctive carrier fluid for separation where the mobile phase is pushed above its critical point in pressure and temperature, so that it displays properties of both a gas and a liquid.
Chromatography Research Supplies (CRS) has developed a moisture filter specifically targeted to SFC end-users in petrochemical analysis using carbon dioxide as their mobile phase. In this specific application, the adsorption properties of the typical 5A or 13X molecular sieve media can cause rapid heating of the purifier cylinders from CO2 adsorption as well as the intended H2O molecules. With the CRS 3A molecular sieve filter, the smaller pore size allows for the removal of moisture while excluding almost all larger molecules, including the CO2 being used as the carrier. In the petroleum industry, both the Environmental Protection Agency (EPA) and California Air Resources Board (CARB) have approved ASTM D6550 and ASTM D5186 for final product release of gasoline and diesel fuels. In this type of application, the reduced heating of 3A is expected to reduce desorption of already bound moisture, protecting sensitive and expensive columns.
Chromatography Research Supplies (CRS) was referenced in the following research papers
In This Issue Fuel For Thought - Signal Group announces new senior appointment - Network of organisations committed to workplace launched - Ayalytical Instruments acquires Lawler Manufactur...
View all digital editions
Feb 28 2021 Virtual event
Mar 03 2021 Guanghzou, China
Mar 08 2021 Virtual event
Mar 08 2021 Online event
Mar 08 2021 Virtual Event