Use this general-purpose mill to crush and grind small samples. Place a sample in the mill cavity, then press the mill halves together and rotate —mill pulverizes the sample easily. Clearance between cutting heads is adjustable to customize for samples; cutting head measures 5/8" diameter. All stainless steel construction is autoclavable for sterile sample preparation.
Warning: This product is not approved or intended for, and should not be used for medical, clinical, surgical or other patient oriented applications.
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Q:When grinding a fingernail or toenail sample for the purpose of trace-element analysis, to what extent is the sample contaminated by the grinder--particularly for elements such as Fe, Cr, Mn, Cu, Zn, Ni?
A:The grinder and blades are made from 304SS which has a hardness of 5 Mohs, twice that of typical nails (2.5 Mohs). We do not have any information on trace amount of ions that would then be transferred to the sample. I found the following link to provide information on the composition of 304SS and the min and max levels of the composition elements expected.
A:0.004" is the smallest setting and will give 0.004" particles.
A:Setting the unit at 0.004" will give 0.004" results.
Q:How much sample can you put into one of these? What hardness is this appropriate for?
A:There is no specification available for the volume that can be loaded into the mill. The diameter of the milling head is .625”, and the space between the head and the milling surface is set from the factory at .004”, but it can be adjusted by loosening the set screw to approximately .5”.
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