High quality beta-glucan standards

[putus]

Putus Macromolecular Sci. & Tech. Ltd. is providing customers with high quality and narrow distributed (1.02-1.10) polymer standards for Calibration for various instruments analysis, including GPC/SEC, Light scattering, Viscometry, Rheology, MALDI, Spectroscopy, Surface-analysis etc. with molecular weights range from 11,000 to 2,500,000. As described below:

1. Kits Only
PS-OBG-LMw (8×100 mg)
Fractions Mw Pd (Mw/Mn)
PS-OBG-260 265000 1.03
PS-OBG-200 190600 1.02
PS-OBG-160 160600 1.02
PS-OBG-130 130900 1.02
PS-OBG-80 81000 1.02
PS-OBG-50 52000 1.03
PS-OBG-30 31000 1.02
PS-OBG-10 11000 1.02

PS-OBG-GMw (8×100 mg)
Fractions Mw Pd (Mw/Mn)
PS-OBG-900 890000 1.05
PS-OBG-700 720000 1.05
PS-OBG-500 500000 1.05
PS-OBG-300 290000 1.05
PS-OBG-200 190600 1.03
PS-OBG-80 81000 1.03
PS-OBG-30 31000 1.03
PS-OBG-10 11000 1.02

PS-OBG-HMw (5×50 mg)
Fractions Mw Pd (Mw/Mn)
PS-OBG-1800 1800000 1.10
PS-OBG-1500 1508000 1.10
PS-OBG-1000 1040000 1.05
PS-OBG-900 890000 1.05
PS-OBG-700 720000 1.03

2. Individual Standards (30 mg each)
Product Mw Pd (Mw/Mn)
PS-OBG-UH-2500 2500000
PS-OBG-UH-2000 2000000
PS-OBG-H-1800 1800000 1.10
PS-OBG-H-1500 1508000 1.10
PS-OBG-H-1000 1040000 1.05
PS-OBG-900 890000 1.05
PS-OBG-700 720000 1.05
PS-OBG-500 500000 1.05
PS-OBG-300 290000 1.05
PS-OBG-270 265000 1.03
PS-OBG-200 190600 1.02
PS-OBG-160 160600 1.02
PS-OBG-130 130900 1.02
PS-OBG-80 81000 1.02
PS-OBG-50 52000 1.03
PS-OBG-30 31000 1.03
PS-OBG-20 22000
PS-OBG-10 11000 1.02

3. Viscosity Standards (5 g each)
Product Mw η0 (at 10 mg/ml) Purity
PS-OBG-UHVis 2500000 250 mPa?S 97 %
PS-OBG-HVis 2000000 100 mPa?S 97 %
PS-OBG-MVis 500000 10 mPa?S 97 %
PS-OBG-LVis 50000 2 mPa?S 97 %