Biospec

Zirconia has a density of 5.5g/cc (100% more dense than glass - good for tough tissue). Beads are sold in one pound bottles.

Stainless steel beads have a density of 7.9g/cc. They are used mostly for grinding leaves and seeds. They are made of Type 316 stainless steel - the most corrosion resistant available.

The BioVortexer is a lightweight, battery powered unit designed to be used with microcentrifuge tubes. Centrifugal pellets, precipitates, and other solids are completely dispersed in seconds by a combination of mechanical and vortex action. A new polypropylene stir rod is used with each sample. A...