The SH1821 column has a polystyrene divinylbenzene (PSDVB) base with a sulfonated functional group in the hydrogen form. This phase is used for the simultaneous analysis of saccharides and organic acids, and separates neutral sugars in size exclusion mode and organic acids in ion exclusion mode. Fulfills USP L17 and L22 requirements. Exclusion limit 10,000 Da, shipping solvent: water. Guard column 220-91524-63 and coupler 220-91524-99 (double ended) or 220-91524-98 (PEEK tube and fittings) are recommended.