Abstract
We describe a purification system based on a commercial preparative-scale gas chromatograph with a custom-designed condenser, collector, and fraction handling system. In our fraction collector design, all the wetted surfaces were either 316 stainless-steel or nickel. The collectors and the integrated gas-handling manifold were designed to be used down to liquid nitrogen temperature and up to 7 MPa of pressure to accommodate low-boiling-point compounds, such as refrigerants. The design, operation, and performance of this apparatus are presented.
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