analytical standard, suitable for gel permeation chromatography (GPC), 17,000
analytical standard, suitable for gel permeation chromatography (GPC), 4,300
analytical standard, suitable for gel permeation chromatography (GPC), 77,000
analytical standard, suitable for gel permeation chromatography (GPC), 32,000
analytical standard, suitable for gel permeation chromatography (GPC), 210