Bio-Rex 70 Resins are weak cation exchangers that are used for the purification and fractionation of peptides, proteins, antibiotics, and other cationic molecules.

Bio-Rex 70 resins are weak cation exchange resins that are used for the purification and fractionation of peptides, proteins, antibiotics, and other cationic molecules. Bio-Rex 70 resins contain carboxylic acid exchange groups on a macroreticular acrylic polymer lattice. The high porosity of the resins allows large protein molecules to penetrate the pores and have access to the exchange sites located throughout the matrix.

Bio-Rex 70 resins are available in both analytical and biotechnology grades. Analytical grade Bio-Rex 70 resin has been exhaustively sized, purified, and converted to make it suitable for accurate, reproducible analytical techniques. Biotechnology grade Bio-Rex 70 resin is an analytical grade resin that has been certified to contain less than 100 microorganisms per gram of resin.

Larger volumes and special packaging for industrial applications are available on request.

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(停产) Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 20–50 mesh, sodium form, 500 g

1425822

500 g, cation exchange resin, sodium form, macroreticular, 20–50 dry mesh size, 300–1,180 µm wet bead size, >1,000,000 MW limit

(停产) Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 50–100 mesh, sodium form, 500 g

1425832

500 g, cation exchange resin, sodium form, macroreticular, 50–100 dry mesh size, 150–300 µm wet bead size, >1,000,000 MW limit

(停产) Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 100–200 mesh, sodium form, 500 g

1425842

500 g, cation exchange resin, sodium form, macroreticular, 100–200 dry mesh size, 75–150 µm wet bead size, >1,000,000 MW limit

(停产) Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 200–400 mesh, sodium form, 500 g

1425852

500 g, cation exchange resin, sodium form, macroreticular, 200–400 dry mesh size, 45–75 µm wet bead size, >1,000,000 MW limit

(停产) Bio-Rex™ 70 Cation Exchange Resin, biotechnology grade, 50–100 mesh, sodium form, 100 g

1435832

100 g, biotechnology grade cation exchange resin, sodium form, macroreticular, 50–100 dry mesh size, 150–300 µm wet bead size, >1,000,000 MW limit

(停产) Bio-Rex™ 70 Cation Exchange Resin, biotechnology grade, 200–400 mesh, sodium form, 100 g

1435852

100 g, biotechnology grade cation exchange resin, sodium form, macroreticular, 200–400 dry mesh size, 45–75 µm wet bead size, >1,000,000 MW limit

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