DESCRIPTION
Set of 7 polymethylmethacrylate (PMMA) calibration standards, 500mg each, for organic SEC. Soluble in hexafluoroisopropanol (HFIP) and dimethylformamide (DMF.) The 7 MW included are: 2,870; 6,140; 20,100; 66,700; 224,000; 505,000; 965,000. NOTE: Actual molecular weights may vary slightly depending on production lots. Refer to the COA for exact weights for the specific lot.