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Kimble™ Kontes™ Potter-Elvehjem Tissue Grinders, PTFE Pestle and Unground Glass Tube

To progressively ground the sample into smaller pieces

$135.44 - $177.98

Specifications

Clearance (English) 0.004 to 0.006 in.
Clearance (Metric) 0.1 to 0.15mm
Includes PTFE pestle and ungrounded Glass tube
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Catalog Number Mfr. No. Capacity Price Quantity & Availability  
Catalog Number Mfr. No. Capacity Price Quantity & Availability  
K886000-0021 Kimble™
8860000021
0.16 oz., 5mL Each for $140.22
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K886000-0022 Kimble™
8860000022
0.27 oz., 8mL Each for $135.44
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K886000-0024 Kimble™
8860000024
1.52 oz., 45mL Each for $177.98
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K886000-0019 Kimble™
8860000019
0.03 oz., 1mL Each for $135.44
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K886000-0023 Kimble™
8860000023
0.57 oz., 17mL Each for $160.74
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Specifications

Description

Tissue grinders produce homogenates by a combination of shearing and compression actions. The tissue sample is progressively ground (sheared) into smaller pieces at the rounded and of the pestle as the spinning pestle is lowered into the tube. As the pestle is forced lower into the tube, the sample is displaced and forced between the straight outside wall of the pestle and the inside wall of the tube, compressing the tissue cells untill they rupture. When the tube is pulled away from the pestle, a slight vacuum is created that pulls the sample back past the compression area, resulting in an additional homogenization stroke.

The degree of homogenization is controlled by the clearance between the pestle's and tube's cyclindrical section (radial distance usually 0.002 to 0.003 inches), the rotational speed of the pestle and the number of compression strokes made.

  • Sizes 21 to 24 have radial serrations on the lower portion of the pestle to deliver the homogenate into the cylindrical portion of the tube
  • Clearance between pestles and tubes is 0.004 to 0.006 in.
  • Replacement components are available and completely interchangeable
  • The lower portion of the pestle is round shaped
  • Ground glass pestle versions are suited for connective tissues
  • PTFE pestle versions are used with softer tissues

Description & Specifications

Specifications

0.004 to 0.006 in.
0.1 to 0.15mm
PTFE pestle and ungrounded Glass tube
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