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| Company | RETSCH | RETSCH | RETSCH | RETSCH |
| Item | Mixer Mill MM 400 | Cutting Mill SM 50 | Vibratory Disc Mill RS 200 | XRD-Mill McCrone Laboratory Mill |
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| Catalog Number | MM 400 | SM 50 | RS 200 | MCCrone |
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| Description | The mixer mill MM 400 is a compact versatile bench-top unit, which has been developed specially for dry, wet and cryogenic grinding of small amounts of sample.
It can mix and homogenize powders and suspensions in only a few seconds. It is also perfectly suitable for the disruption of biological The mixer mill MM 400 is a compact versatile bench-top unit, which has been developed specially for dry, wet and cryogenic grinding of small amounts of sample.
It can mix and homogenize powders and suspensions in only a few seconds. It is also perfectly suitable for the disruption of biological cells as well as for DNA/RNA extraction. With its high performance and great flexibility the MM 400 is a unique product in the market.
Features - Reproducible, efficient grinding, mixing and homogenization in seconds
- Powerful grinding by impact and friction, up to 30 Hz for up to 20 samples per run
- 3 different grinding modes (dry, wet or cryogenic)
- Screw-top grinding jars for leak-proof grinding
- 9 SOPs can be stored
- Wide range of accessories including various jar and ball sizes, adapter racks, grinding tool materials, CryoKit
... Read More | The SM 50 is the world's most powerful benchtop cutting mill with a standard one phase power plug. Its 1.5 kW motor drives a large rotor, delivering impressive high-speed cutting power. The max. speed is 4,000 rpm and can be adjusted to suit various applications. The EasyInspect hopper operates on aThe SM 50 is the world's most powerful benchtop cutting mill with a standard one phase power plug. Its 1.5 kW motor drives a large rotor, delivering impressive high-speed cutting power. The max. speed is 4,000 rpm and can be adjusted to suit various applications. The EasyInspect hopper operates on a batch-wise feeding system and can process large sample pieces up to 50 mm with ease. The compact powerhouse features an internal cyclone system, ensuring effortless and efficient processing of various materials. The push-fit grinding chamber is the first in the world which can be taken out for proper cleaning. With its innovative design featuring a removable milling chamber, the SM 50 simplifies cleaning, saving up to 30 % process time. At the same time, the unrivaled powerful benchtop cutting mill with a single phase power plug allows up to 100 % sample recovery and contamination-free sample preparation.
- pulverization of samples down to 250 micron
- integrated cyclone technology
- easy cleaning thanks to push fit accessories including the grinding chamber
- for samples up to 50 mm
- less surfaces-less dust
- Superior cutting speed of 27 m/s.
- 3 double acting cutting bars result in 18 cutting events per round and a specific cutting length of 864 mm per round for superior cutting efficiency.
- Comprehensive and convenient door opening mechanisms with a pivoting handle
- 9 different sieve sizes from 10 mm down to 0.25 mm for standard application or for grinding without heavy-metal contamination
two different rotor types
... Read More | The Vibratory Disc Mill RS 200 is suitable for the extremely quick, loss-free and reproducible grinding of medium-hard, brittle and fibrous materials to analytical fineness. The instrument runs steadily and smoothly, even with heavy grinding sets, at maximum speed thanks to the new Stabilized-Plane-The Vibratory Disc Mill RS 200 is suitable for the extremely quick, loss-free and reproducible grinding of medium-hard, brittle and fibrous materials to analytical fineness. The instrument runs steadily and smoothly, even with heavy grinding sets, at maximum speed thanks to the new Stabilized-Plane-Drive.
With its robust design, the RS 200 has proven to be ideal for use in the building materials sector (cement), in geology, mineralogy, metallurgy and in power plants. Due to the high end fineness and speed the RS 200 is the perfect mill when it comes to preparing samples for spectral analysis.
Features - Reproducible results due to "Stabilized-Plane-Drive" (avoid tumbling of the grinding set)
- Safety interlock
- Variable speed 700 - 1,500 min-1
- Extremely short grinding time
- Agate recognition for automatic speed reduction
- 10 SOPs can be stored
- No sample loss thanks to optimum o-ring seal
- Wide range of materials for contamination free grinding
- Noise-insulated grinding chamber
- Quick-action grinding set clamping device
... Read More | 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 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. The crystal lattice is almost entirely preserved during grinding operation, a pre-requisite for meaningful X-ray diffraction results.
Features: - Crystal lattice preserved during grinding operation
- Very narrow and reproducible particle size distribution
- Minimal cross contamination
- Compact, bench-top sized model
- Suitable for dry and wet grinding
... Read More |
| Principle | Impact and Friction | Cutting and Shearing | Pressure and Friction | Friction |
| Sample Size | < = 8 mm | < 50 mm | <15 mm | <0.5 mm |
| Sample Type | Hard, Medium-Hard, Soft, Brittle, Elastic or Fibrous | Soft, Medium-Hard, Fibrous | Medium-Hard, Hard, Brittle or Fibrous | Medium-hard, Hard, Brittle, Fibrous |
| Applications | Size Reduction, Mixing, Homogenization, Cell Disruption and Cryogenic Grinding: Agriculture, Biology, Chemistry / Plastics, Construction Materials, Engineering / Electronics, Environment / Recycling, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals | agriculture, chemicals / plastics, construction materials, electronics, environmental / recyling, food / feed, pharma / biotech / medtech, power generation / energy | Size Reduction, Mixing and Triturating: Construction Materials, Environment / Recycling, Geology / Metallurgy, Glass / Ceramics | Grinding, Mixing and Triturating, Dry and Wet |
| Speed | 3 to 30 Hz | 500 to 6,000 min-1 | 700 to 1500 min-1 | 1000 to 1500 min-1 |
| Rotor Type | grinding jar and balls | parallel section rotor / 3-disc rotor, 0.25-10 mm sieves | grinding dish with disc (and ring) | <0.5 mm |
| Final Fineness | ~ 5 um | < 0.25 mm | < 40 um | <1 µm |
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