Selenium – listed in the periodic system of the elements in the 6^th main group, below sulphur, is unknown to many. Although it belongs to the essential trace elements and is integrated by the body in the so called 21^st amino acid. But still, it’s a toxin and the comminution of it requires a certain caution.

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Mixed were solid with solid substances, solid with liquid substances and liquids with solids. As solid phases mostly fine powders are used, which during the mixing process should not be further reduced in size. The liquid phases include mercury to saline solutions up to resins.

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The production of homogenous composite samples is a prerequisite. Latex the white milky juice of the rubber tree, is sold in liquid or solid form as natural rubber. For the production of the liquid state, the tree juice is thickened and stabilized with ammonia. For the production of the solid state, the suitable chemicals are added to the juice of the plant and will coagulate. This solid is washed in various ways, dried and shaped mostly into thin slabs.

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One of the most significant fields of application for FRITSCH Planetary Mills is mechanochemistry. This subject is in theory, as well as in practice very wide-ranging and versatile. In the article you will find summarized information about history, functionality and the fields of application of mechanochemistry.

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The article „Mechanochemistry – Chemistry with the Hammer“ published in the magazine Chemie unserer Zeit (Chemistry of our time) was written compact and comprehendible by three experts. The article sums up the multifaceted area of mechanochemistry: from the historical developments to physical mechanisms to application possibilities. Article only available in German.

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The Institute for Technical Chemistry and Environmental Chemistry of the University of Jena is intensively researching in the area of organic chemical syntheses with Planetary Ball Mills: especially the Suzuki-Miyaura reactions, the oxidation with potassium manganite, the synthesis of cyclic boronic acid ester and the Knoevenagel condensation.

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Global problems such as energy and raw material shortages are also an important matter for organic synthesis laboratories. New methods and improved synthetic strategies are developed by the Institute for Technical Chemistry and Environmental Chemistry in Jena with Planetary Mills.

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The production of nano materials for the storage of hydrogen. A film by the Karlsruhe Institute of Technology - only available in German.

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Even animal feed is sold with a declaration about its contents. For quality assurance those substances of contents are continually examined.

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Maize kernels, dressed, prepared as seeds, are subject to testing in regards to possible contents of genetically modified organisms (GMO). The necessity arises to test the seeds for possible properties of genetically modified contents.

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