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Supplier: Spectrum Laboratories
Description: Ready-to-use laboratory dialysis systems featuring proprietary Ultra-pure Biotech Cellulose Ester (CE) Membrane. Biotech Grade CE is a low protein-binding synthetic membrane available in 9 precise MWCO's with no heavy metal and sulfide contaminants. The cylindrical tubing geometry prevents sample dilution (associated with cassette-type devices) and provides open access for total volume retrieval by pipette. Only the Float-A-Lyzer® G2 assures a 95 to 98% sample recovery while maintaining 99% sample purity and <1% sample dilution. The leakproof screw-on cap with sealing o-ring provides easy access with included pipette for loading, in-process testing and sample retrieval, without the risk of needle punctures. The included floatation ring improves sample buoyancy and vertical orientation during dialysis. The sleek design allows multiple samples to be dialysed in the same reservoir.

Supplier: Spectrum Laboratories
Description: MWCO 12 to 14 kD, regenerated cellulose.

Supplier: Spectrum Laboratories
Description: MWCO 1 to 50 kD, hydrophilic cellulose.

Supplier: Spectrum Laboratories
Description: MWCO 1 to 50 kD, regenerated cellulose.

Supplier: Spectrum Laboratories
Description: MWCO 6 to 8 kD, regenerated cellulose.
Supplier: Spectrum Laboratories
Description: MWCO 12 to 14 kD, regenerated cellulose.

Supplier: Spectrum Laboratories
Description: Standard closures
PP, autoclavable
Only for regenerated cellulose membranes
Lighter than water, normally used in combination with weighted closures
Choose a closure 4 to 10 mm larger than the flat width of the tubing

Supplier: Spectrum Laboratories
Description: MWCO 3,5 kD, regenerated cellulose.

Supplier: Spectrum Laboratories
Description: Hydrophilic cellulose ester.

Supplier: Spectrum Laboratories
Description: Digital manometer, Pressure transducer, 1×1" TC, polysulfone, non sterile, −10 - +75 psi

New Product

Supplier: Spectrum Laboratories
Description: Hollow fibre filter modules are particularly useful in tangential flow filtration because processes can easily be scaled-up from small volume applications to full-scale production.

Supplier: Spectrum Laboratories
Description: Designed for gentle tangential flow filtration of small volumes ranging from 1 to 100 ml. MicroKros® modules are typically operated by a peristaltic pump, these devices also offer the unique advantage of manual operation for quick and convenient separations for small volumes.

Supplier: Spectrum Laboratories
Description: Designed to maximise convenience and efficiency, the ready-to-use Micro Float-A-Lyzer® is ideal for the dialysis of very small sample volumes. Available in two volume sizes, 100 to 200 μl and 400 to 500 μl, the Micro Float-A-Lyzer® features a proprietary biotech grade cellulose ester (CE) membrane incorporated into a pre-assembled, leakproof microdialysis device. Available in 7 concise MWCO’s with colour-coded caps, CE is a synthetic, low-protein binding membrane with no heavy metal and sulfide contaminants. The pre-formed tubular geometry also limits volume increase and sample dilution. The self-standing and self-floating device is designed with a Luer-lok® sample port to provide quick and easy access for loading, in-process testing and total sample recovery using a 1 ml syringe (included). Available in packs of 12, individual units can interlock to form a "flotilla" for the simultaneous dialysis of multiple samples. Only Micro Float-A-Lyzer® and Float-A-Lyzer® G2 assure a 95 to 98% sample recovery, 98% sample purity and <10% sample dilution; all in an easy to use, convenient dialysis device.

Supplier: Spectrum Laboratories
Description: Hollow fibre filter modules are particularly useful in tangential flow filtration because processes can easily be scaled-up from small volume applications to full-scale production.

Catalog Number: (SPECSTUBEGN15390S)
Supplier: Spectrum Laboratories
Description: ProConnex® standard flow path for midiKros or midiKros TC, 250 ml, 3/Pk.
UOM: 1 * 1 items

New Product


Catalog Number: (SPECACM3-FMH-01N)
Supplier: Spectrum Laboratories
Description: Permeate flow meters for use with tangential flow KrosFlo® systems.
UOM: 1 * 1 items


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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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