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

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.

MM 500 Mixer Mill - Handling Video

Product Video

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

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

Mixer Mill MM 500 nano GRIND SIZES IN THE NANOMETER RANGE

Nano-grinding of titanium dioxide without cooling breaks

  • 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.

Example

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. 

Mixer Mill MM 500 nano Reviews from our customers

"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

Trusted reviews provided by

Mixer Mill MM 500 control Accessories for maximum flexibility

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. Heavy-metal-free grinding is possible, also at -100 °C

Working with aeration lids


Aeration lid Video

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.

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 & adapter

Simultaneous processing of several small samples is possible with the multi-cavity jars and an adapter for reaction vials. This is a typical requirement, for example, for pharmaceutical, chemical and biochemical applications. The small cavity jars provide new opportunities for mechanochemical research activities involving small amounts of chemicals.

The cavities in the jars have an oval shape which ensures effective mixing. The pouring aids allow for safe sample handling. The multi-cavity jars are made of stainless steel, thus providing effective heat transfer to or from the sample.

The adapter accommodates up to 18 disposable reaction vials of 1.5 or 2.0 ml (e.g. Eppendorf vials) or nine 2.0 ml steel tubes. With its two grinding stations, the MM 500 control mixer mill can now process up to 36 samples in one working run. 2.0 ml steel tubes should be used if samples need to be frozen or heated, as polymeric reaction vessels cannot withstand mechanical load at extreme temperatures. The adapter is made of aluminum so that heat is efficiently transferred to and from the reaction tubes.

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

Mixer Mill MM 500 nano Typical Sample Materials

RETSCH mixer mills are true allrounders. They homogenize, for example: alloys, animal feed, bones, ceramics, chemical products, coal, coke, drugs, electronic scrap, glass, grains, hair, minerals, oil seeds, ores, paper, plant materials, plastics, sewage sludge, soils, straw, tablets, textiles, tissue, tobacco, waste samples, wood, wool, etc.

titanium oxide
wet grinding
metal alloy
dry grinding
hair
dry grinding
soil

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

Mixer Mill MM 500 nano 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.

 

Videoanimation - Mixer Mill function principle

Mixer Mill MM 500 nano Technical Data

Applications mechanochemistry, mechanical alloying, size reduction, mixing, homogenization, cryogenic grinding
Field of application agriculture, biology, chemistry / plastics, construction materials, engineering / electronics, environment / recycling, food, geology / metallurgy, glass / ceramics, medicine / pharmaceuticals
Feed material hard, medium-hard, soft, brittle, elastic, fibrous
Size reduction principle impact, friction
Max. feed size = 10 mm
Final fineness ~ 0.1 µm
Batch size / feed quantity max. 2 x 45 ml
No. of grinding stations 2
Vibrational frequency 3 - 35 Hz (180 - 2100 min-1)
Typical mean grinding time 30 s - 2 min
Dry grinding yes
Wet grinding yes
Cryogenic grinding yes
Cell disruption with reaction vials no
Type of grinding jars screw-lock jar with integrated safety closure devices, multi cavity jar, adapter for safe-lock reaction vials
Material of grinding tools hardened steel, stainless steel, tungsten carbide, zirconium oxide
Grinding jar sizes 10 ml / 25 ml / 50 ml / 80 ml / 125 ml
Setting of grinding time digital, 10 s - 8 h
Total grinding time 99 h
Storable SOPs 12
Number of storable cycle programs 4 (with 99 repeats)
Electrical supply data 100-120 V, 50/60 Hz; 200-230 V, 50/60Hz
Power connection 1-phase
Power consumption 750 W
Protection code IP 30
W x H x D closed 690 x 375 x 585 mm
Net weight ~ 60 kg
Standards CE

Mixer Mill MM 500 nano Downloads

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