Specifications include, but are not limited to: Size Exclusion Chromatography (SEC) System equipped with an autosampler and capable of operating with Hexafluoro isopropanol (HFIP) as mobile phase (OPTION 1) Physical size of columns should be 6.0mm x 15cm columns that can run in HFIP and switch to THF and DMF as many times as needed. Molecular weight separation range from 0.5 kDa to 10,000 KDa; Size Exclusion Chromatography (SEC) System equipped with an autosampler and capable of operating with Hexafluoro isopropanol (HFIP) as mobile phase (OPTION 2) Should have 2 x broad molecular weight SEC colum, capbable of separating polymer molecular weights between 1 kD and ca. 1000 kD compatible wiht HFIP and one other solvent (either THF or DMF). Physical size of columns should be 7.8mm ID x 30 cm, be compatible with THF and DMF