1 Chemicals for use in industry, namely, polymeric media for use in chromatography; industrial chemicals, namely, polymeric media used in chromatography; chemical preparations for scientific purposes, namely, polymeric media for use in chromatography other than for medical or veterinary use; chemical preparations for analyses in laboratories, namely, polymeric media for use in chromatography, other than for medical or veterinary purposes; purification preparations, namely, polymeric media for use in chromatography; diagnostic preparations, namely, polymeric media for use in chromatography other than for medical or veterinary purposes; chemical preparations for filtering materials, namely, for use in analyzing and separating compounds in chromatography