Standard, LC, Shodex SM-105 for Organic SEC, Polystyrene MW 1,180 to 3,210,000

Set of 10 calibration standards, 500mg each, for organic SEC. Less branched polystyrene with anionic polymerization. Soluble in tetrahydrofuran (THF), chloroform, toluene, and o-dichlorobenzene (ODCB). The 10 MW included are: 1,180; 3,320; 6,250; 17,100; 49,400; 129,000; 298,000; 607,000; 1,570,000; 3,210,000. NOTE: Actual molecular weights may vary slightly depending on production lots. Refer to the COA for exact weights for the specific lot.