Purge and Trap Using Nitrogen Gas
USEPA Method 8260D employs purge and trap preparative techniques for the examination of volatile compounds. Historically, labs use helium gas to purge the volatile compounds out of the matrix. However, in recent years, Helium has become more difficult to find, so labs have been forced to find an alternative to Helium. Nitrogen gas provides an excellent substitute for Helium. This application will examine the determination of volatile organic compounds using Nitrogen as the purge gas for USEPA 8260D.
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