EDITORIAL CONTENT HIGH ENERGY BALL MILL Emax – A REVOLUTION IN FINE SIZE REDUCTION PAGE 04
A new dimension in high performance milling: 2,000 rotations per minute create ultrafi ne particles within the shortest amount of time, combined with a highly effective cooling system.
Dear Readers, Customers and Business Partners,
“Nano” is a big issue these days as products containing nanoscale par- ticles have become part of our every- day lives. Ultrafine particles are found in sunscreen, textiles, drugs or paint, to only name a few exam- ples. Nanotechnology is the reason why these materials and products gain new properties and are further improved.
RETSCH have also put their focus on nanotechnology! The revolutionary design of the new high energy
ball mill Emax allows for produc- ing nanoscale particles in a frac- tion of the time required by com-
parable mill types. The Emax can be operated with a maximum speed of 2,000 min-1
novelty for a ball mill. In this issue of “the sample” you will learn how RETSCH engineers combined max- imum pulverization energy with an innovative water cooling sys-
tem in the Emax – with the result that the mill can be used for contin- uous grinding without breaks!
Grinding down to the nano size range can also be achieved with RETSCH’s well-proven planetary ball mills. We not only present our range of ball and mixer mills in this issue but also describe how to successfully carry out high energy applications such as mechanical alloying and col- loidal grinding.
When it comes to the reliable mea- surement of particle sizes in the nanometer range,
which is an absolute PLANETARY BALL MILLS – THE CLASSIC TOOLS FOR PULVERIZATION TASKS
The planetary principle provides a high energy input to produce particle sizes down to the submicron range. These are the perfect conditions for mechanical alloying and colloidal grindings.
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MECHANICAL ALLOYING
High energy ball mills and planetary ball mills provide the required kinetic energy for mechanical alloying. RETSCH offers the PM 400 MA which is specifi cally designed for this application.
PRODUCING NANO PARTICLES BY COLLOIDAL GRINDING
To reduce small particles even further in size, a high energy input, such as it is generated in high energy or planetary ball mills, is required. For successful grinding down to the nano range, it is also important to select suitable grinding tools and the best grinding ball fi lling.
MIXER MILL MM 400 – THE “ALL-ROUNDER” FOR SMALL QUANTITIES
Mixer mills are the best choice whenever rapid and effective homogenization of small sample volumes is required.
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CRYOMILL – ICE-COLD GRINDING the HORIBA
LA-950 laser granulometer is the perfect choice. This instrument cov- ers a measurement range from 10 nm to 3 mm.
We hope you enjoy reading this issue of “the sample”!
Yours
If size reduction of a sample material is not possible at room temperature, the CryoMill can handle it. It is suitable for tough and elastic materials as well as for samples containing volatiles.
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PARTICLE SIZE ANALYSIS DOWN TO THE NANOMETER RANGE
Laser diffraction analyzers are well-proven tools for particle size measurement in the nanometer range. HORIBA's LA-950 offers full fl exibility and precision for this type of application.
Dr. Juergen Pankratz CEO VERDER SCIENTIFIC
page 02 | the sample 39 |
www.retsch.com
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Direct contact: 866-473-8724
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