Retsch XRD-Mill McCrone, Руководство пользователя

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Preliminary crushing set
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7 Preliminary crushing set
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7.1 Use of the mortar
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Fig. 15: View of the preliminary crushing set
– Particles larger than 0.5mm should be crushed in the mortar.
• Screw the bottom section (UT) onto the steel container (SB).
• Place one grinding body (MK) (either polycrystalline corundum (supplied) or
tungsten carbide (available separately) in the stainless steel cylinder.
• Put the sample (PE) in the cylinder and place the other grinding body on top
of the sample.
• Guide the steel plunger (SE) up to the second grinding body in the cylinder
and hit the plunger hard several times using a small hammer.
• Remove the plunger and empty the contents of the cylinder into a suitable
container. Remove the grinding body.
• Sieve the sample through the sieve provided, gently brushing the material to
help it pass through the sieve.
• Material that is too coarse to pass through the sieve can be put back into the
mortar for further crushing.
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SE
PE
MK
SB
UT