January 2016Analytical Instrumentation & Environmental Monitoring
Fritsch has added a special cyclone adapter to its Variable Speed Rotor Mill Pulverisette 14 that enables efficient air cooling for rapid grinding of difficult samples like temperature-sensitive powder coatings and plastic or slightly moist materials. The mill can therefore be used to grind soft to medium-hard, brittle as well as fibrous samples.
The Fritsch cyclone
The efficient air routing inside the Pulverisette 14 and the powerful air vortex within the Fritsch cyclone cools the sample during grinding, reduces the thermal load of the sample, minimises clogging of the sieve rings while simultaneously significantly increasing the throughput. Also, the cleaning of the mill itself is reduced to a minimum. The air flow inside the cyclone leads the ground sample directly into the screwed-on sample glass. This type of sample discharge is the most convenient, because the ground material is drawn directly into the glass bottle where it can be transported, stored and easily removed for analysis. Thereby, the fine dust is retained in the cyclone by the HEPA dust filter.
The result: increased grinding performance for a particularly fast and effective grinding that minimises the thermal load, and the ideal solution for especially heat-sensitive materials, as well as for smooth pre-crushing and fine grinding of hard-brittle to soft, fatty or samples with residual moisture! In addition, cleaning of the unit is simple, and contamination-free.
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