Retsch XRD-Mill McCrone, 100-240 V, 50/60 Hz

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  • £5280.00
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The XRD-Mill McCrone was specially developed for the preparation of samples for subsequent X-ray diffraction (XRD). The mill is used for applications in geology, chemistry, mineralogy and materials science, quality control as well as R&D.

Because of its unique grinding motion, the XRD-Mill McCrone is particularly effective for this analytical method: The 48 cylindrical grinding elements grind the samples gently via friction. The result is a short grinding time with almost no sample loss and an exceptionally narrow particle size distribution. Consequently, the signals in the X-ray diffraction pattern are peak-shaped, with small half-widths, allowing for very good phase analysis.

The crystal lattice structure is largely preserved, with almost no defects, a prerequisite for meaningful X-ray diffraction patterns.

The grinding vessel consists of a 125 ml capacity polypropylene jar fitted with a screw capped gasketless polyethylene closure. The jar is filled with an ordered array of 48 identical cylindrical grinding elements, available in agate, zirconium oxide or corundum. The grinding time for optimum micronization is between 3 and 30 minutes. A typical sample volume is between 2 and 4 ml.

For the preparation of organic samples for a subsequent XRD examination we also offer a hand mortar and pestle made of agate.


  • crystal lattice preserved during grinding operation
  • very narrow and reproducible particle size distribution
  • minimal cross contamination
  • compact, bench-top sized model
  • adjustable grinding power (4 steps)
  • suitable for dry and wet grinding
  • easy to clean
  • almost maintenance-free
  • quiet operation


Applications grinding, mixing and triturating, dry and wet
Field of application X-ray diffraction
Feed material medium-hard, hard, brittle, fibrous
Material feed size* < 0.5 mm
Final fineness* < 1 µm
Speed at 50 Hz (60 Hz) 1,000 - 1,500 min-1 in 4 steps
No. of grinding stations 1
Typical mean grinding time 3 - 30 min
Dry grinding yes
Wet grinding yes
Cryogenic grinding no
Material of grinding tools agate, zirconium oxide, corundum
Grinding jar sizes 125 ml
Setting of grinding time digital, 00:00:10 to 99:59:50
Drive DC-Motor
Drive power 50 W
Electrical supply data 100-240 V, 50/60 Hz
Power connection 1-phase
Protection code IP 30
Power consumption 100 W
W x H x D closed 205 x 155 x 520 mm
Net weight ~19 kg
Standards CE

*depending on feed material and instrument configuration/settings

    • SKU
    • Commodity Codes
  • Manufacturer
    Retsch GmbH
  • Country of Origin

Sets of grinding elements

Agate1 set (50 grinding elements) 

Corundum1 set (48 grinding elements) 

02.368.0126Zirconium oxide, 1 set (48 grinding elements)


Accessories for sample preparation

Sample preparation set (stainless steel percussion mortar, 10 corundum grinding elements, 1 sieve 500 µm and 1 brush)

02.368.0124Grinding elements, tungsten carbide, 2 pieces


Additional items

01.462.0356Grinding jar with screw top lid

03.462.0357Pouring lid

03.486.0007Loading device