Nanoporous Membranes with Ultrahigh Selectivity and Flux for the Filtration of Viruses

Membrane Extraction Combined with Thermo

Membrane Extraction Combined with Thermodesorption/Gas Chromatography and Mass Selective Detection for the Analysis of Volatile Organic Compounds in Water

✍ Hauser, Barbara ;Popp, Peter 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 108 KB 👁 2 views

The range of application of a commercial thermodesorption-cryofocussing unit connected to a gas chromatograph/mass selective detector was extended to water analysis by using it in conjunction with membrane extraction. A flow of nitrogen passes through a silicone hollow fiber immersed in the water sa