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Mixer Mill MM 500 nano Comfortable production of particles in the nanometer range

Mixer Mill MM 500 nano
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The mixer mill MM 500 nano is a compact, versatile bench-top unit which has been developed specially for dry, wet and cryogenic grinding of up to 2 x 45 ml sample material within seconds. With a maximum frequency of 35 Hz, it generates enough energy to produce particles in the nanometer range.

The robust high-performance drive makes the mill suitable for long-term grinding processes up to 99 hours and thus very interesting for research and mechanochemistry.

Hence, the MM 500 nano is a unique mixer mill in the market to provide a real alternative to grinding in a planetary ball mill – with more comfortable handling and less warming effects.

High speed Ball Milling with easy operation for best results

  • Max. speed 35 Hz
  • Horizontal oscillation causes strong impact effects for effective sample processing
  • Up to 10 mm feed size and 0.1 µm final fineness
  • 2 grinding stations for jars of min. 2 ml and max. 125 ml, adapter for 18 x 2 ml single use vials
  • Steel jars can be precooled manually in liquid nitrogen
  • GrindControl to measure temperature and pressure inside the jar.
  • Aeriation lids to control the atmosphere inside the jar
  • Bench top model, touch screen, easy jar clamping, jars can stay clamped for subsampling, storable SOPs and cycle programs, 4 different jar materials for dry and wet grinding

"The Mixer Mill MM 500 nano is very useful. First of all, it is user-friendly and results are very good. It gives very fine particles even in a short period of time. Also, cleaning of jars is very easy."

Erkam Güllüoğlu

Gentas Dekoratif

"Wonderful effect and results more than 10 times those obtained by traditional methods. It is really easy to use and it has multiple benefits and can be used in more than one application. The after-sales service is excellent."

Ahmed Hendawy

Al-almas

"You save time, which is the most expensive reagent. It is a solid instrument and a workhorse that we use six to eight hours a day.  Care was clearly taken in the design of the mixer mill itself. Highest recommendation."

Carl Hoff

University of Miami

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ADVANTAGES THROUGH DESIGN

  • Thanks to the flat lid, the nominal volume can be used optimally, for example to accommodate sufficient fibrous samples or to achieve the best mixture of sample, small grinding balls and liquid for wet grinding.
  • Screw-Lock grinding jars (50 / 80 / 125 ml) for dry, wet or cryogenic grinding
  • Very easy, comfortable clamping and handling of the grinding jars, which are pressure-tight up to 5 bar
  • Jars can stay clamped while taking a sub-sample or visual checks of fineness
  • Ergonomic design with touch display for easy parameter setting
  • 12 SOPs & 4 program cycles with up to 99 repeats to facilitate routine applications

FLEXIBILITY

  • Equally suited for rapid pulverization <2 min and long-term grinding up to 99 hours
  • Use one large grinding ball in the High Impact mode or several smaller balls in the High Friction mode
  • Use the MM 500 nano for routine sample preparation applications, for nano-grinding or for research applications such as mechanochemistry and mechanical alloying
Very easy, comfortable clamping and handling of the grinding jars, which are pressure-tight up to 5 bar

Mixer Mill MM 500 nano GRIND SIZES IN THE NANOMETER RANGE

  • New jar design allows for optimized usage of jar volume also for wet grinding
  • Final fineness < 100 nm possible thanks to maximized energy input at 35 Hz
  • Less warming effects, thus grinding can usually be done without grinding breaks for cooling down

Result: You get your nano sample within the shortest time.

Nano-grinding of titanium dioxide without cooling breaks

Nano-grinding of titanium dioxide without cooling breaks Nano grinding of 25 g titanium dioxide in a 125 ml grinding jar zirconium oxide with 275 g balls 0.1 mm, 30 ml 1% NaPO4 solution. A particle size of 90 nm was achievied after 120 minutes of grinding. 

Nano grinding of 25 g titanium dioxide in a 125 ml grinding jar zirconium oxide with 275 g balls 0.1 mm, 30 ml 1% NaPO4 solution. A particle size of 90 nm was achievied after 120 minutes of grinding. 

Grinding jars in 3 different materials

Grinding jars in 3 different materials

Available grinding jar sizes are 50 ml, 80 ml and 125 ml, materials include stainless steel, tungsten carbide and zirconium oxide, ensuring contamination-free sample preparation.

Aeration lid

Aeration lid

RETSCH offers a special aeration lid for the grinding jars designed for applications where a special atmosphere is to be maintained in the ball mill jar.

Different grinding ball sizes & materials

GrindControl

The GrindControl measures temperature and pressure inside the jar. The system includes a sensor and transmission unit as well as an analysis software.

Multi-cavity jars of 4 x 10 ml and 2 x 25 ml, made of stainless steel, incl. PTFE pouring aids.

Adapter for 18 x 2 ml safe-lock reaction vials or 9 x 2 ml steel tubes, made of aluminum

Typical Sample Materials - titanium oxide

titanium oxide 
wet grinding

Typical Sample Materials

metal alloy
dry grinding

Typical Sample Materials : hair

hair
dry grinding

Typical Sample Materials :tyre rubber 

tyre rubber 
cryogenic grinding

To find the best solution for your sample preparation task, visit our application database.

Mixer Mill MM 500 vario Nano grinding of aluminum oxide in the MM 500 nano

Mixer Mill MM 500 vario: Nano grinding of aluminum oxide in the MM 500 nano

Narrow particle size distribution of aluminium oxide after grinding (Nano grinding of 30 g aluminum oxide in a 125 ml grinding jar zirconium oxide with 275 g balls 0.1 mm, 33 ml 0.5% NaPO4 solution)

Mixer Mill MM 500 nano Functional Principle

The grinding jars of the mixer mill MM 500 nano perform radial oscillations in a horizontal position. The inertia of the grinding balls causes them to impact with high energy on the sample material at the rounded ends of the grinding jars and pulverize it. Also, the movement of the grinding jars combined with the movement of the balls result in the intensive mixing of the sample. The degree of mixing can be increased even further by using several smaller balls.

The new RETSCH App

As the leading solution provider for sample preparation equipment, RETSCH has taken operating convenience to the next level and created the new RETSCH App. This tool makes working with your RETSCH mill easy and convenient:

As the leading solution provider for sample preparation equipment, RETSCH has taken operating convenience to the next level and created the new RETSCH App. This tool makes working with your RETSCH mill easy and convenient:

  • Operate your devices via your smart phone or tablet
  • Control your devices based on your own application routines
  • Access information from the RETSCH database
  • Get in touch with the RETSCH service team via the app

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