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| Company | RETSCH | RETSCH | RETSCH | RETSCH | RETSCH |
| Item | CryoMill | Cutting Mill SM 50 | Mixer Mill MM 500 vario | Planetary Ball Mill PM 300 | Vibratory Disc Mill RS 200 |
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| Catalog Number | CryoMill | SM 50 | MM 500 vario | PM 300 | RS 200 |
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| Description | The CryoMill is a laboratory ball mill specifically designed for this application. It features an integrated cooling system which continually cools the grinding jar with liquid nitrogen before and during the grinding process. Thus, the sample is embrittled and volatile components are preserved.
The The CryoMill is a laboratory ball mill specifically designed for this application. It features an integrated cooling system which continually cools the grinding jar with liquid nitrogen before and during the grinding process. Thus, the sample is embrittled and volatile components are preserved.
The liquid nitrogen is continually supplied from an autofill system in the exact amount required to keep the temperature at –196 °C. The CryoMill's versatility makes it the ideal grinder for sample quantities up to 20 ml.- powerful grinding by impact and friction with up to 30 Hz
- pulverization of two samples down to 5 micron
- The user never comes into direct contact with LN2 which ensures a high degree of operational safety
- adapter for keeping 2 ml plastic tubes or 2 ml steel tubes available
- special jar zirconium oxide available for heavy-metal free grinding
- suitable forgrinding in interval
- 3 different grinding modes (dry, wet or cryogenic)
- memory for 9 SOPs
- Screw-Top jars
... 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 Mixer Mill MM 500 vario is a true multipurpose mill designed for dry, wet and cryogenic grinding of small volumes up to 6 x 20 ml. It mixes and homogenizes powders and suspensions with a frequency of 35 Hz within seconds – unbeatably fast and easy to operate. It is also very useful for The Mixer Mill MM 500 vario is a true multipurpose mill designed for dry, wet and cryogenic grinding of small volumes up to 6 x 20 ml. It mixes and homogenizes powders and suspensions with a frequency of 35 Hz within seconds – unbeatably fast and easy to operate. It is also very useful for mechanosynthesis applications and a grinding time up to 99 h. It is also the most suitable instrument for biological applications such as cell disruption for nucleic acids or protein extraction with a sample batch capacity of up to 50 samples- powerful grinding by impact and friction with up to 35 Hz
- pulverization of two samples down to 5 micron
- adapter for keeping 1.5, 2 or 5 ml plastic tubes or 2 ml steel tubes available
- adapter for keeping 4 x 50 ml conical tubes or 30 ml wide-mouth bottles available
- adapter for keeping 4 x 5 ml steel tubes available
- suitable for long-term grinding processes up to 8 h
- suitable for mechanochemistry applications
- 3 different grinding modes (dry, wet or cryogenic)
- memory for 8 SOPs and 4 program cycles
- Screw-Top jars from 5-50 ml
10 ml PMMA jars for RAMAN applications
... Read More | The Planetary Ball Mill PM 300 is a powerful and ergonomic benchtop model with two grinding stations for grinding jar volumes up to 500 ml. This setup allows for processing up to 2 x 220 ml sample material per batch. Thanks to the high maximum speed of 800 rpm, extremely high centrifugal forces The Planetary Ball Mill PM 300 is a powerful and ergonomic benchtop model with two grinding stations for grinding jar volumes up to 500 ml. This setup allows for processing up to 2 x 220 ml sample material per batch. Thanks to the high maximum speed of 800 rpm, extremely high centrifugal forces result in very high pulverization energy and consequently in short processing times. The PM 300 is ideally suited for virtually all industries where the quality control process places the highest demands on purity, speed, fineness and reproducibility. Thanks to its enormous energy input of up to 64.4 times the acceleration of gravity, this mill is the perfect choice for tasks in research like mechanochemistry (mechanosynthesis, mechanical alloying and mechano-catalysis), or for ultrafine colloidal grinding on a nanometer scale.- powerful grinding by impact and friction with up to 800 rpm
- pulverization of two samples down to 100 nm
- jars from 12-500 ml
- adapter for keeping 2 ml gas chromatography glass vials for cocrystal screening
- high energy input of up to 64.4 g
- suitable for mechanochemistry applications and mechanical alloying
- Ergonomic clamping unit with smooth surfaces
- Automatic grinding chamber ventilation with directed air stream for perfect jar cooling
- The Safety Slider prevents starting the machine without securely clamped jars, perfect stability on the lab bench thanks to FFCS -technology
- Comfortable parameter setting via Touch display
- 2 different grinding modes (dry, wet)
- memory for 12 SOPs and 4 program cycles
- 5 different jar materials
jars of 12 – 80 ml can be stacked (two jars each)
... 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 |
| Principle | Impact and Friction | Cutting and Shearing | Impact and Friction | Impact and Friction | Pressure and Friction |
| Sample Size | ≤8 mm | < 50 mm | ≤8 mm | ≤10 mm | <15 mm |
| Sample Type | Hard, Medium-Hard, Soft, Brittle, Elastic or Fibrous | Soft, Medium-Hard, Fibrous | Hard, Medium-Hard, Soft, Brittle, Elastic or Fibrous | Hard, Medium-Hard, Soft, Brittle, Fibrous | Medium-Hard, Hard, Brittle or Fibrous |
| Applications | mechanochemistry, mechanical alloying, size reduction, mixing, homogenization, cryogenic grinding; agriculture, biology, chemistry / plastics, construction materials, engineering / electronics, environment / recycling, food, geology / metallurgy, glass / ceramics, medicine / pharmaceuticals, cell disruption | agriculture, chemicals / plastics, construction materials, electronics, environmental / recyling, food / feed, pharma / biotech / medtech, power generation / energy | mechanochemistry, mechanical alloying, size reduction, mixing, homogenization, cryogenic grinding; agriculture, biology, chemistry / plastics, construction materials, engineering / electronics, environment / recycling, food, geology / metallurgy, glass / ceramics, medicine / pharmaceuticals, cell disruption | mechanochemistry, mechanical alloying, size reduction, mixing, homogenization, cryogenic grinding; agriculture, biology, chemistry / plastics, construction materials, engineering / electronics, environment / recycling, food, geology / metallurgy, glass / ceramics, medicine / pharmaceuticals, cocrystalscreening | Size Reduction, Mixing and Triturating: Construction Materials, Environment / Recycling, Geology / Metallurgy, Glass / Ceramics |
| Speed | 3 to 30 Hz | 500 to 6,000 min-1 | 3 to 35 Hz | max 800 rpm | 700 to 1500 min-1 |
| Rotor Type | grinding jar and balls | parallel section rotor / 3-disc rotor, 0.25-10 mm sieves | grinding jar and balls | grinding jar and balls | grinding dish with disc (and ring) |
| Final Fineness | ~ 5 um | < 0.25 mm | ~5 µm | ~0.1 µm | < 40 um |
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