Wheaton 357542 Glass Dounce Style Tissue Grinder, 7mL Capacity, 13mm OD x 82mm Length, 175mm Overall Length (Case of 2)
Wheaton Dounce Tissue Grinder is designed to retain a high percentage of cell nuclei and mitochondria in soft tissues or from cell cultures and is ideal for enzyme studies.  In operation, the pestle ball is encircled in liquid, which avoids heat buildup by reducing friction. The initial grinding is performed using the “loose” pestle and the grinding process is completed using the “tight” pestle. This grinder is used by moving the pestle up and down, and works best with cell suspensions or very soft tissue. The mortar has a large reservoir and pouring lip and is supplied with a “loose” pestle and a “tight” pestle. Manufactured from Wheaton 33 low extractable borosilicate glass that conforms to USP Type I and ASTM E-438 Type I, Class A requirements.  Unit can be autoclaved / sterilized. Loose pestle clearance range: 0.089-0.14mm, Tight pestle clearance range: 0.025-0.076.