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Sartorius Vivaspin® 20

Supplier: SARTORIUS CORPORATION

Vivaspin 20 centrifugal concentrators have been developed to offer increased volume flexibility and performance.

  • Twin Vertical Membranes
  • High Volume Flexibility
  • High Flux PES Membrane
  • High Retentate Recovery: > 90%
  • Universal Rotor Compatibility

Vivaspin 20 handles up to 20 mL in swing bucket centrifuges and 14 mL in 25° fixed angle rotors accepting 50 mL centrifuge tubes. Featuring twin vertical membranes for unparalleled filtration speeds, the Vivaspin 20 can achieve 100-plus concentrations. The remaining volume is easy to read off the printed scale on the side of the concentrator, and the modified dead stop pocket further simplifies direct pipette recovery of the final concentrate. Vivaspin 20 is available with unique accessories and operating methods that are designed to provide more process flexibility and further time saving. When an appropriate centrifuge is unavailable, or for single sample processing, Vivaspin 20 can be filled with up to 15 mL and then pressurized for bench top concentration. For even faster processing, gas pressure can be combined with centrifugal force.

“Pressure-fugation” is particularly suitable for difficult or viscous samples such as serum, or when using a low process temperature, which reduces filtration speed, and generally when minimum process time is essential. In one step desalting procedure following concentration, a diafiltration cup is filled with buffer and then spun one time to achieve 98% salt removal. This compares to the need for two spins to achieve the same result with the traditional refill and re-spin procedure. The constant washing action of the buffer solution in the diafiltration cup as it replaces solvent and salts as they pass through the ultrafiltration membrane improves performance.

Ordering information: The Air Pressure Controller comes complete with pressure gauge, regulator, over-pressure safety valve, female connector to Vivascience pressure products, one meter extension line (4 mm pneumatic tubing) with male and female connectors, and one meter of 6 mm inlet tubing.

 

ORDER

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Description Supplier No. Catalog Number Unit List Price Quantity
3K MWCO VS2091 F-2734-3 Pack of 12 Retrieving
3K MWCO VS2092 F-2734-3C Pack of 48 Retrieving
5K MWCO VS2011 F-2734-5 Pack of 12 Retrieving
5K MWCO VS2012 F-2734-5C Pack of 48 Retrieving
10K MWCO VS2001 F-2734-10 Pack of 12 Retrieving
10K MWCO VS2002 F-2734-10C Pack of 48 Retrieving
30K MWCO VS2021 F-2734-30 Pack of 12 Retrieving
30K MWCO VS2022 F-2734-30C Pack of 48 Retrieving
50K MWCO VS2031 F-2734-50 Pack of 12 Retrieving
50K MWCO VS2032 F-2734-50C Pack of 48 Retrieving
100K MWCO VS2041 F-2734-100 Pack of 12 Retrieving
100K MWCO VS2042 F-2734-100C Pack of 48 Retrieving
300K MWCO VS2051 F-2734-300 Pack of 12 Retrieving
300K MWCO VS2052 F-2734-300C Pack of 48 Retrieving
1000K MWCO VS2061 F-2734-1000 Pack of 12 Retrieving
1000K MWCO VS2062 F-2734-1000C Pack of 48 Retrieving
0.2 µm VS2071 F-2734-2 Pack of 12 Retrieving
Starter Pack, 2 Each, 5K, 10K, 30K, 50, 100K, 0.2 µm VS20S1 F-2734-SP Pack of 12 Retrieving

ACCESSORIES

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Accessories
Description Supplier No. Catalog Number Unit List Price Quantity
Diafiltration Cups VSA005 F-2734-05 Each Retrieving
Vivaspin 20 Pressure head VCA200 F-2734-200 Each Retrieving
Female Connector VCA010 F-2900-10 Each Retrieving
Male Connector VCA011 F-2900-11 Each Retrieving
4 mm O.D. Pressure Tubing, 3 m VCA012 F-2900-12 Each Retrieving
Air Pressure Controller VCA002 F-2900-2 Each Retrieving
Pressure-Fuge Head Charge Valve VCA005 F-2900-5 Each Retrieving
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