Spectrum Medical Industries
Browse a range of Spectrum Medical Industries dialysis tubing, membranes, filters, and other products to support your filtration and dialyzing needs.
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Spectrum™ Spectra/Por™ 3 RC Dialysis Membrane Tubing 3500 Dalton MWCO
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Ideal for molecular separation, protein binding studies, electrolyte removal, desalting

MWCO | 3.5 kDa |
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Length (Metric) | 15 m |
Product Type | Spectra/Por 3 Dialysis Tubing |
Formulation | Contain glycerin as a humectant |
Length (English) | 49.2 ft. |
Quantity | Each |
Temperature Range (English) | 39.2°F to 249.8°F |
Material | Regenerated Cellulose |
For Use With (Application) | Ideal for molecular separation, protein binding studies, electrolyte removal, desalting |
Temperature Range (Metric) | 4°C to 121°C |
Spectrum™ Spectra/Por™ Float-A-Lyzer™ G2 Dialysis Devices
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Ready-to-use and disposable, Float-A-Lyzer G2 incorporates biotech-grade cellulose ester (CE) membrane tubing into a preasembled dialysis device that is easy-to-use and provides ultimate convenience for small volume dialysis (1 to 10mL)

Diameter (English)Top | 0.9 in. |
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Kit Contents | Disposable pipette for 5 and 10mL, flotation ring |
Diameter (Metric)Top | 23 mm |
Product Type | Float-A-Lyzer G2 Dialysis Device |
Quantity | 12 Pack |
Diameter (English) Membrane | 0.39 in. |
Membrane | Cellulose Ester |
For Use With (Application) | Ready to use laboratory dialysis devices, highest membrane purity, superior handling and leak prevention, 95 to 98% sample recovery, perfect for dialyzing electro-eluted proteins or chromatography fractions |
Closure Type | Screw Cap |
Diameter (Metric) Membrane | 10 mm |
Closure Material | Polypropylene |
Spectrum™ Transfertube™ Disposable Sampling Pipet and Dropper
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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An innovative device for transferring liquid and coring semi-solid samples with one hand

Spectrum™ Spectrum™ Dialysis Tubing Closures: Spectra/Por™ Standard Type
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Consist of a single-piece, hinged clamp with sealing ridges that securely lock over the dialysis tubing to provide a leak-proof seal

Autoclavable | Autoclavable |
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Spectrum™ Spectra/Por™ 2 RC Dialysis Membrane Tubing 12,000 to 14,000 Dalton MWCO
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Ideal for molecular separation, protein binding studies, electrolyte removal, desalting

MWCO | 12 to 14 kDa |
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Length (Metric) | 15 m |
Product Type | Spectra/Por 2 Dialysis Tubing |
Formulation | Contain glycerin as a humectant |
Length (English) | 49.2 ft. |
Quantity | Each |
Temperature Range (English) | 39.2°F to 249.8°F |
Material | Regenerated Cellulose |
For Use With (Application) | Ideal for molecular separation, protein binding studies, electrolyte removal, desalting |
Temperature Range (Metric) | 4°C to 121°C |
Spectrum™ Standard RC Ready-to-use Spectra/Por™ Dialysis Sacks
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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For large sample volumes
Kit Contents | 0.05% sodium azide preservant |
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Length (Metric) | 600 mm |
Product Type | Dialysis Sacks |
Capacity (Metric) | 50 to 400 mL |
Length (English) | 23.6 in. |
Material | Regenerated Cellulose |
For Use With (Application) | For large sample volumes, funnel attached to top for easy sample filling |
Spectrum™ Labs Spectra/Por™ 3 3.5 kD MWCO Standard RC Dry Dialysis Kits
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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With Standard Grade Regenerated Cellulose membrane tubing for applications with significant size difference between MW species being separated
MWCO | 3.5 kDa |
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Spectrum™ Labs Spectra/Por™ 6 25 kD MWCO Standard RC Pre-wetted Dialysis Kits
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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With Pre-wetted ready-to-use tubing, not requiring soaking to remove glycerol
MWCO | 25 kDa |
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Quantity | 1 m Tubing/Kit |
Spectrum™ Spectra/Por™ Dialysis Tubing Closures for Standard RC Membrane Only
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Floating closures that aid in buoyancy and vertical orientation when applied to top end of tubing
Spectrum™ Spectra/Por™ Biotech Cellulose Ester (CE) Dialysis Membrane Tubing
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Selected MWCOs from 100 to 100,000 Daltons
Length (Metric) | 10 m |
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Product Type | Spectra/Por Dialysis Membrane Tubing |
Formulation | Supplied in 0.1% sodium azide solution |
Length (English) | 33 ft. |
Temperature Range (English) | 39.2°F to 98.6°F |
Material | Cellulose Ester |
For Use With (Application) | Ideal for desalting, purification, and molecular separation |
Temperature Range (Metric) | 4°C to 37°C |
Spectrum™ Spectra/Por™ Weighted Closures
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Consist of a single-piece, hinged clamp with sealing ridges that securely lock over the dialysis tubing to provide a leak-proof seal
Kit Contents | Fluorocarbon coated stainless steel bar to anchor tubing downward |
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Product Type | Dialysis Tubing Closure |
Color | White |
Quantity | 10 Pk. |
Temperature Range (English) | 32°F to 250°F |
Membrane | Regenerated Cellulose |
Material | Polypropylene |
For Use With (Application) | Use with buoyant standard closure to maintain vertical sample orientation, use with RC dialysis tubing only, not for use with CE tubing |
Temperature Range (Metric) | 0°C to 121°C |
Closure Type | Weighted |
Autoclavable | Autoclavable |
Spectrum™ Standard RC Ready-to-use Dialysis Sacks Spectra/Por™
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Spectrum™ Spectra/Por™ 1 RC Dialysis Membrane Tubing 6000 to 8000 Dalton MWCO
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Ideal for molecular separation, protein binding studies, electrolyte removal, desalting
MWCO | 6 to 8 kDa |
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Quantity | Each |
Temperature Range (English) | 39.2°F to 249.8°F |
Material | Regenerated Cellulose |
For Use With (Application) | Ideal for molecular separation, protein binding studies, electrolyte removal, desalting |
Temperature Range (Metric) | 4°C to 121°C |
Spectrum™ Labs Spectra/Por™ 2 and 4 12-14 kD MWCO Standard RC Dry Dialysis Kits
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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For smaller dialysis experiments or evaluating dialysis tubing for dialysis application
MWCO | 12 to 14 kDa |
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Spectrum™ Micro Float-A-Lyzer™ Ready-to-Use Small Volume Dialysis Device
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Providing ultimate convenience, this preassembled device incorporates Spectrum's ultrapure Biotech Grade Cellulose Ester (CE) membrane tubing into an easy-to-use design making laboroatory microdialysis easier than ever
Kit Contents | 1mL syringe |
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Width (English) | 1.77 in. |
Product Type | Micro Float-A-Lyzer Dialysis Device |
Quantity | Each |
Diameter (English) Membrane | 0.25 in. |
Membrane | Cellulose Ester |
Material | Polycarbonate |
For Use With (Application) | Designed to stand upright on bench-tops during experimental preparation as well as float and self-orient during dialysis |
Closure Type | Luer lok |
Diameter (Metric) Membrane | 6.4 mm |
Closure Material | Polypropylene |
Width (Metric) | 45 mm |