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PromoChrom Technologies provides GPC columns made by Jordi Associates. Jordi GPC columns use DVB gel material with the maximum amount of cross-linking. Compared to other GPC columns available on the market, Jordi GPC columns are of more stable packing bed at high pressure and are less affected when a solvent exchange is necessary. The same column can be run in toluene, THF, methanol, hexane, HFIP, or Freon. The columns can be used with 5% water in THF or with straight acetone (which some suppliers admit are a problem with styrene-divinylbenzene gels!). 

Fluorinated DVB column packing is a recent Jordi’s innovation. Columns packed with fluorinated divinylbenzene gel beads can use a flow rate 3-5 times higher than other GPC columns without loss of column efficiency. By adopting a higher flow rate, time on sample preparation can be reduced by 70%.

Jordi Catalog