Spectrum Labs
Edition: India fg India
Spectrum Labs, the leader in filtration and laboratory dialysis.
Click for information on how to contact us.Click for information about who we are.Click for print formatted product literature.Click to fill out our customer satisfaction survey.Click for information on which trade shows we will be attending.
Spectrum Blog
Filtration Products
Disposable Bag Products
Perfusion Assemblies and Systems at Spectrum Labs
Laboratory Dialysis Products
Membrane Dialysis
Dynamic Dialysis
Process Dialysis
Custom Dialysis
Labware Products
Cell Culture Products
Chromatography Products
Operating Room Disposables
OEM Products
OPUS Pre-packed Chrom Columns
TangenX Tangential Flow Filtration (TFF)

We are ISO 9001:2008 certified
Newsletter Sign-up

Biotech Grade Dialysis Membranes:

Ultra-pure Biotech CE for better selectivity

Ultra-pure Biotech RC for better tolerance

Product Searches:

Part Number

Only Spectrum offers Biotech grade dialysis membrane for those critical applications requiring stringent MWCO's and membrane purity. Since these synthetic membranes are made using a process free of heavy metal contaminants and sulfides, they are ultra-pure and require no cleaning or pre-treatment. Simply rinse with DI water, apply Universal Closures and load sample! Spectrum offers 2 different Biotech grade membrane types to meet the different demands of laboratory dialysis applications: Cellulose Ester (CE) for better MW selectivity & Regenerated Cellulose (RC) for better chemical tolerance.


  • Ultrapure for critical separations
  • Does not interfere with macromolecular activity & function
  • Rigidly controlled porosity for better separation (retention and passage)
  • 2 tubing types available for different applications (CE & RC)
  • Large selection of MWCO's & tubing sizes
  • Only Ready-to-Use dialysis devices with biotech grade membrane.

Biotech Grade CE
Dialysis Tubing & Trial Kits

Learn More >

Biotech Cellulose Ester (CE) Membrane

Biologically inert and ultra-pure, Biotech CE is available in the largest selection of concise MWCO's (0.1 - 1000 kD) and sizes to provide better molecular separation for desalting, isolating ionic species and macromolecular purifications. More sensitive to harsh conditions and solvents. Generally tolerates weak or dilute acids & bases and mild alcohols with only a slight change to the MWCO. Exposure to most organic solvents may damage CE membranes. Use with pH 2-9 & temp 4-37 °C. Available in 10m/roll tubing and trial size dialysis kits (1m).

Biotech Grade RC
Dialysis Tubing & Trial Kits

Learn More >

Biotech Regenerated Cellulose (RC) Membrane

Spectrum's premium dialysis membrane is crafted from a regeneration process to yield superior physical tolerances and chemical compatibilities while maintaining the same high purity. Tolerates concentrated-weak acids & bases, dilute-strong acids & bases, most alcohols and some mild or dilute organic solvents. Exposure to strong polar or organic solvents may damage RC membranes. Use with pH 2-12 & temp 4-60 °C. Available in dialysis tubing in 5m/roll tubing and trial size dialysis kits (0.5m).

Ready-to-Use Dialysis Devices
Learn More >

Biotech Ready-to-Use Dialysis Devices

Pre-assembled and Ready-to-Use dialysis devices with ultrapure Biotech Grade CE tubular membrane for ultimate convenience, easy handling & total sample recovery. No accessories required.
3 types of dialysis devices available:
Product Literature
Findamentals of Dialysis
Membrane Selection Guide
Frequently Asked Questions (FAQs)
Chemical Compatibility
Pore Size Chart
Dialysis Tubing Calculator
Application Notes


Standard Grade RC Membrane
Learn More >

Universal Dialysis Tubing Closures
Learn More >

hi dave
copyright © 1995-2018 Spectrum, Inc. All rights reserved | Privacy Policy | Sales Terms and Conditions | Site FAQ's