Ideal for small volume dialysis or evaluation of membrane for an application, multi-purpose standard Regenerated Cellulose (RC) tubing is now available in 5 m length trial kits with a pair of tubing closures.

pH Limits: 2 to 12 Suggested Temperature Limit: 60°C  Organic Solvent Tolerance: Good Composed of cellulose regenerated from cotton linters, offered in various pore sizes with molecular weight cutoffs (MWCO) ranging from 1,000 to 50,000 Contains glycerol added as a…

Specially designed with gentle sealing ridges, Universal Closures are the ideal all-purpose closure that creates a reliable seal with all membrane grades, types and thicknesses. Available in a variety of colors for easy sample identification.

Only Spectrum offers Biotech grade dialysis membrane for those critical applications requiring stringent MWCO's and membrane purity. Since these synthetic disalysis membranes are made using a process free of heavy metal contaminants and sulfides, they are ultra-pure and require no cleaning or…

Designed for the general dialysis of larger sample volumes, the Ready-to-Use Sack consists of a 60 cm length of Spectra/Por 1, 2, 3 or 4 tubing, sealed at one end with a Spectra/Por Closure and a funnel attached to the other for easy filling. Simply fill, apply closure & cut.

Mesh Screens for Macrofiltration Separations Spectrum provides a broad range of Spectra/Mesh Woven Filters that consist of individual strands woven into a mesh screen, characterized by precise mesh openings, percent open area and mesh thickness. There are 5 material types with different…

Spectrum introduces the Spectra/Por® Float-A-Lyzer® G2, the next generation in Ready-to-Use laboratory dialysis devices featuring proprietary Ultra-pure Biotech Cellulose Ester (CE) Membrane available in 9 precise MWCO's with no heavy metal and sulfide contaminants. The cylindrical tubing geometry…

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,…

Mesh Screens for Macrofiltration Separations Spectrum provides a broad range of Spectra/Mesh Woven Filters that consist of individual strands woven into a mesh screen, characterized by precise mesh openings, percent open area and mesh thickness. There are 5 material types with different physical,…

Closure kit includes 5 sets designed for sealing dialysis tubing ≤ 32mm flat width for Lab Scale System. Each set includes 1 hanging closure, 1 top closure and 2 bottom weighted closures. Closure kit includes 5 sets designed for sealing dialysis tubing ≤ 31mm flat width for Process Scale…

Since Spectra/Por Standard Closures float, they aid in buoyancy and vertical orientation when applied to the tubing top end. Autoclavable and available in a variety of colors for easy sample identification. For use with Spectra/Por Standard Regenerated Cellulose membranes only.

Eliminates tying knots One piece, autoclavable, polypropylene devices Locks over the ends of tubing to form a strong leakproof seal For best results, choose a closure that is 4 to 10 mm longer than the flat width of the tubing These liquid-tight closures are available in six…

Mesh Screens for Macrofiltration Separations Spectrum provides a broad range of Spectra/Mesh Woven Filters that consist of individual strands woven into a mesh screen, characterized by precise mesh openings, percent open area and mesh thickness. There are 5 material types with different physical,…

Spectrum's Tube-A-Lyzer is a ready-to-use, gentle separation device that combines convenience and disposability with the efficiency of dynamic dialysis to significantly increase the mass transfer rate and reduce the overall dialysis from 1-2 days to 12 hours. This self-contained, disposable device…

Extended life Pt-cured silicone tubing with moderate peristalitic pump head life. Semi-transparent MasterFlex® L/S® 16 tubing, 1/8" ID x 1/4" OD, 10ft. Extended life Pt-cured silicone tubing with moderate peristalitic pump head life. Semi-transparent MasterFlex® L/S® 17…

Autoclavable, Spectra/Por Weighted Closures encase an acid- washed, fluorocarbon coated, stainless steel bar. When applied to bottom end of the dialysis tubing, the Weighted Closure acts like an anchor to maintain a vertical orientation of the sample. The ultimate sample buoyancy and vertical…

The stainless steel Bessman Tissue Pulverizer consists of a 2 component mortar with handles and a pestle, specifically designed for pulverizing 10 - 1000 mg of tissue. After chilling the Pulverizer in liquid nitrogen, the included 28 cm lead hammer is used on the mortar to completely homogenize the…

PharmaPure® tubing with good peristaltic pump head life and is kink resistant. MasterFlex® L/S® 16 tubing, 1/8" ID x 1/4" OD, 10ft. PharmaPure® tubing with good peristaltic pump head life and is kink resistant. MasterFlex® L/S® 17 tubing, 1/4" ID x…

The disposable Transfertube is an innovative device for transferring and coring liquid and solid samples with one hand. The large aperture is particularly useful for working with particulates and suspensions. Disposable transferring reduces the risk of cross contamination associated with re-used…

Multi-purpose dialysis tubing with more MWCO's available. Pre-treated tubing is ready- to-use, not requiring soaking to remove glycerol. Spectra/Por 7 is also pre-treated to minimize trace levels of heavy metals & sulfides.

Mesh Screens for Macrofiltration Separations Spectrum provides a broad range of Spectra/Mesh Woven Filters that consist of individual strands woven into a mesh screen, characterized by precise mesh openings, percent open area and mesh thickness. There are 5 material types with different physical,…

Autoclavable, Spectra/Por Weighted Closures encase an acid- washed, fluorocarbon coated, stainless steel bar. When applied to bottom end of the dialysis tubing, the Weighted Closure acts like an anchor to maintain a vertical orientation of the sample.

While MediaKap Filters are designed to efficiently sterilize and clarify culture medium or buffer solution by means of a 0.2 µm DynaFibre® membrane, MediaKap Plus Filters utilize an advanced DynaFibre® membrane that further increases filtration efficiency and dramatically reduces the time required…

Pre-cut membrane discs for use with Spectra/Por MacroDialyzers. Cut square membrane sheets to use as needed for a variety of dialysis equipment.

Cap Kit attaches to the top of the SpectraFlo™ Process Scale System and Mobile System tanks to create a seal and minimize contamination. Kit includes clamp, gasket, cap, MasterFlex® L/S® 17 Pt-cured silicone tubing and hose barb adapter for connecting multiple tanks in series. Tank…

Tanks for SpectraFlo™ Dynamic Dialysis Mobile System for single-pass and recirculation operation. Includes 5L tank, cap, reducer and connectors. Reservoir, pump tubing and pump sold seperately. Tanks for SpectraFlo™ Dynamic Dialysis Mobile System for single-pass and recirculation…

Excellent for water & gas filtration systems, MiniKap HF filter provides the filtration efficiency of the 0.2 µm DynaFibre® & air vent fiber in a device conveniently equipped with a 1/4" MNPT, Luer-Lok or hose barb inlet connection.

CultureGard autoclavable filters are made with 0.2 µm MWCO DynaFibre® membrane that permits the flow of culture medium while preventing the introduction of foreign microbials. These specialized filters have a large surface area for faster flow rates under lower pressures. Lower pressure during…

Ideal for small volume dialysis or evaluation of membrane for an application, biotech grade Cellulose Ester (CE) & Regenerated Cellulose (RC) tubing is now available in 1 m & 0.5m length trial kits respectively with a pair of tubing closures.

SpectraFlo™ Dynamic Dialysis Lab Scale System for single-pass and recircirculation operation. 650ml tank capacity. For dialysis tubing flat widths ≤ 34mm and sample volumes up to 60ml. Includes tank, stand, Pt-cured silicone tubing, connectors and cap. Reservoir and pump sold seperately. …

KR1 Peristaltic Pump for SpectraFlo™ Dynamic Dialysis Process Scale Systems, 600RPM. Flow range of 0.008 to 480mL/min depending on rpm and tubing size. Compatible with MasterFlex® L/S® 13, 14, 16, 17, 18 and 25. Up to two pump heads can be mounted together. 115-230v universal power…