Standard Regenerated Cellulose(RC) Membrane:
Dry Spectra/Por® 1-4 Dialysis Flat-sheets & Discs

Standard Grade Regenerated Cellulose (RC) is a clear, flexible and sturdy dialysis membrane with a "looser" molecular selectivity. This economical membrane is ideal for a broad range of applications in which there is a significant size difference between the MW species being separated; including sample prep, desalting, buffer exchange, pH change, protein purification, etc. Offering a good chemical compatibility, Standard Grade RC can be used with dilute strong acids and bases, concentrated weak acids and bases, most alcohols and some mild or dilute organics, including DMSO. Standard RC can tolerate pH 2 - 12 and temperatures 4-121 °C.

Spectra/Por® 1 - 4 Standard RC
Dialysis Membrane Flat-sheets

Spectrum offers dry Standard RC dialysis membrane, Spectra/Por 1, 2, 3 & 4, in single layer square sheets that can be used with a variety of dialysis equipment. These membrane sheets are also ideal for cutting into specific dimensions and attaching to support frames for customized diagnostic assays and testing. Each package contains 25 sheets separated by glycine paper.

Product Specifications:
Membrane Type Purpose MWCO
Spectra/Por 1 Basic dialysis 6-8 kD
Spectra/Por 2 Higher permeability 12-14 kD
Spectra/Por 3 Basic dialysis 3.5 kD
Spectra/Por 4 Basic dialysis 12-14 kD

Sheet Size:
(refer to ordering information)
Properties:
Hydrophilic, symmetric porosity
Quantity:
25 sheets/pkg
Packaging:
Dry with glycerin (rinse out with water)

MWCO Size (mm) Qty Part No. Price
Spectra/Por 1 6-8 kD 240 x 240 25 sheets 132677
Spectra/Por 2 12-14 kD 200 x 200 25 sheets 132686
Spectra/Por 3 3.5 kD 108 x108 25 sheets 132723
Spectra/Por 4 12 - 14 kD 150 x 150 25 sheets 132712
Spectra/Por® 1 - 4 Standard RC
Dialysis Membrane Discs

Spectrum offers dry Standard RC dialysis membrane, Spectra/Por 1, 2, 3 & 4, in single layer discs. The membrane discs are available in 3 diameter sizes (33mm, 47 mm & 100 mm) typically used in various commercially available dialysis equipment. Each package contains 50 discs separated by glycine paper.

Product Specifications:
Membrane Type Purpose MWCO
Spectra/Por 1 Basic dialysis 6-8 kD
Spectra/Por 2 Higher permeability 12-14 kD
Spectra/Por 3 Basic dialysis 3.5 kD
Spectra/Por 4 Basic dialysis 12-14 kD

3 Disc Diameters:
33 mm, 47 mm, 100mm
Properties:
Hydrophilic, symmetric porosity
Quantity:
50 discs/pkg
Packaging:
Dry with glycerin (rinse out with water)

Part No. MWCO Disc Diameter Qty Price
Spectra/Por 1 132478 6-8 kD 33 mm 50 Discs
Spectra/Por 1 132476 6-8 kD 47 mm 50 Discs
Spectra/Por 1 132474 6-8 kD 100 mm 50 Discs
Spectra/Por 2 132482 12-14 kD 33 mm 50 Discs
Spectra/Por 2 132480 12-14 kD 47 mm 50 Discs
Spectra/Por 2 132477 12-14 kD 100 mm 50 Discs
Spectra/Por 3 132488 3.5 kD 33 mm 50 Discs
Spectra/Por 3 132486 3.5 kD 47 mm 50 Discs
Spectra/Por 3 132484 3.5 kD 100 mm 50 Discs
Spectra/Por 4 132498 12-14 kD 33 mm 50 Discs
Spectra/Por 4 132496 12-14 kD 47 mm 50 Discs
Spectra/Por 4 132494 12-14 kD 100 mm 50 Discs
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