Because Standard Regenerated Cellulose (RC) is composed of natural
cellulose regenerated from cotton linters, these membranes are
perfectly suited for a broad range of laboratory dialysis. This clear and
flexible membrane type with a symmetric porosity is economical and
sturdy, ideal for desalting, buffer exchanges, macromolecular purifications
and other general applications.
Possessing a broad range of chemical compatibilities, Standard RC membranes can be used
with dilute strong acids and bases, concentrated weak acids and bases, most alcohols
and some mild or dilute organic solvents, including DMSO.
Exposure to some strong organic solvents may damage RC
membranes. Standard RC can be used with pH 2-12 & temperatures
4-121 °C. While the low level heavy metal impurities
in Standard RC typically pose no problem, they can easily be eliminated
using Spectrum's Heavy Metal Cleaning Solution. Standard RC Membrane is available in rolls
of dialysis tubing (dry or pre-treated), dialysis trial kits, ready-to-use dialysis sacks &
flat sheet (discs or square sheets).
There are 7 different categories of Standard RC Membrane, Spectra/Por 1 - 7,
each possessing unique desirable properties to meet
different application needs: