Profile: Nanjing Binzhenghong Instrument LTD is a provider of laboratory sample pretreatment Teflon consumables and instruments. Isotope analysis is the identification of isotopic signature, abundance of certain stable isotopes of chemical elements within organic and inorganic compounds. PFA isotope ion exchange column is specially designed for isotope ion exchange, one-time molding, no welding gap, different capacities, pipe diameters and lengths are available to meet the different needs of customers. Cast in PFA material, this product is designed to combine a variety of capillary and storage vessel features to suit needs.