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Alumina center cylinder, two slip-on caps, one 1/2" (12.7 mm) ball, and eight corprene gaskets.
Optimize performance of your Cole-Parmer® Freezer/Mill® grinders with a wide range of vial sets suitable for your application.
Alumina ceramic vial set is ideal for blending powders and mixing emulsions. Use with clamp 04576-69 for slurry grinding to prevent leakage and damage to the vial.
Hardness: Mohs 9; Rockwell R45N 83; Knoop 2100
Typical composition: Major Elements – Al; Minor Elements – Si, Ca, Mg
Since alumina is fragile, extreme care must be taken to prevent breakage. Starting sample size should be 1/4". Sample quantity should be between 5 and 15 g of a material that can reasonably be expected to be ground by ceramic. Do not use more than one 1/2" diameter grinding ball.
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