Vivaspin centrifugal concentrators are disposable ultrafiltration devices for the concentration of biological samples. Vivaspin 500 centrifugal filter units offer a simple, one step procedure for sample concentration with volumes from 5 to 500 µl. They can effectively be used in fixed angle rotors accepting 2.2 ml centrifuge tubes.High retentate recovery >90%.Vertical membrane design for ultra-fast concentration.Safe sample concentration due to dead-stop volume.Convenient concentrate recovery by pipetting.Volume graduation for easy reading/monitoring. Click here for Adam Equipment E2 1mg - 200g Calibration Weight Set Also, check out for Sartorius VS0192 Vivaspin 500 Centrifugal Filter Unit, 100/pk
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