Knife Mill

PULVERISETTE 11

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The grinding vessel made of plastic PC is included with the FRITSCH Knife Mill. The transparent grinding vessel made of scratch-resistant autoclavable plastic PC for the optimal observation of the comminution process is suitable for all standard samples.

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The grinding vessel made of autoclavable stainless steel 316L is suitable for cryogenic comminution and for the grinding of harder samples. Samples which are difficult to grind can be embrittled with liquid nitrogen directly in the grinding vessel made of stainless steel 316L. The sample materials remain 100 % cold.
For this purpose, please select the special lid, order no. 11.3220.00 with the easily exchangeable single-use sieve insert – the reliable protection against contamination. Single-use sieve inserts can be ordered with order no. 11.3224.00.

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The grinding vessel made of Eastman Tritan Copolyester is suitable for the comminution of oily samples and for BPA-free sample preparation and which is plasticiserfree, resistant to chemicals and dishwasher-proof up to 80° C.

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The grinding vessel made of glass is autoclavable and ideal for food-safe analysis and verification of polymers.

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The included standard lid made of silicone is ideal for the comminution of soft, medium-hard samples which do not need to be compressed.

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The freely adjustable Vario-Lid system made of plastic PP fulfils two important requirements at the same time: It can be used to reduce the grinding chamber volume down to 0.54 litre and to manually compress and loosen up the sample material at the beginning and at any time during comminution. Thus you always achieve a homogeneous sample in a narrow particle size range even for smaller

sample quantities and for difficult-to-grind materials. The Vario-Lid system is delivered as a standard with a reduction sample pusher for moist, liquid and viscous sample materials such as tomatoes, cucumbers or yoghurt. It automatically returns rising liquids during the comminution and can be used for most sample materials.

A reduction sample pusher can be ordered as an option for dry, solid samples under order no. 11.3189.16.

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Reduction sample pusher for dry, solid samples for Vario-Lid system with plunger made of plastic PP.

The sample material can be manually compressed or loosened at the beginning and at any time during comminution.

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The special lid made of plastic PC for cryogenic comminution with single-use sieve insert for cryogenic comminution with the grinding vessel made of stainless steel 316L: order no. 11.3280.00.

For this lid we offer a set of single-use sieve inserts (set = 10 inserts): order no. 11.3224.00.

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For exchanging the sieve insert in the special lid for cryogenic grinding.
The single-use sieve insert guarantees reliable protection against contamination.

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The standard knife with four cutting edges of the PULVERISETTE 11 (included with the instrument) can be used for the comminution of nearly all materials. The specially curved knife blades achieve with up to 56,000 cutting processes per minute a homogeneous sample significantly faster than comparable instruments at the same grinding time and rotational speed. And in reverse mode, the knives enable a better thorough mixing if necessary.

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The knife with blunt cutting edges made of stainless steel for the PULVERISETTE 11  can be used especially for the agglomeration of soil samples.
Please note: When using this knife the grinding vessel of stainless steel 316L has to be used.

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The sickle knife made of stainless steel suitable for the comminution of brittle, hard samples.

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The sickle knife with serrated blades made of stainless steel is especially suited for the comminution of especially fibrous, tough or sinewy samples.

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The sickle knife with serrated blades, TiN-coated, is optimal for metal-free grinding.

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The sickle knife made of stainless steel suitable for the comminution of brittle, hard samples.

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The sickle knife with serrated blades made of stainless steel is especially suited for the comminution of especially fibrous, tough or sinewy samples.

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The sickle knife with serrated blades, TiN-coated, is optimal for metal-free grinding.

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Adapter for single-use grinding vessel 40 ml and 100 ml volume.
For the use of the Knife Mill PULVERISETTE 11 in single-use technology, we have developed an adapter for single-use grinding vessels 40 ml and 100 ml volume for the comminution of not too hard materials, which are available in small pieces. Your advantage: safe protection against cross contamination, no need for cleaning and the sample can be stored in the single-use grinding vessels.
Ideal for use in food quality control, pharmacy, chemistry, forensics and pathology.

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Set of single-use grinding vessels 40 ml volume made of plastic PP (set = 10 pieces).
The single-use grinding vessels are ideal for use in food quality control, pharmacy, chemistry, forensics and pathology.

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Set single-use grinding vessels 40 ml volume made of plastic PP (set = 100 pieces).
The single-use grinding vessels are ideal for the use in in food quality control, pharmacy, chemistry, forensics and pathology.

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Set of single-use grinding vessels 100 ml volume made of plastic PP (set = 10 pieces).
The single-use grinding vessels are ideal for the use in food quality control, pharmacy, chemistry, forensics and pathology.

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Set single-use grinding vessels 100 ml volume made of plastic PP (set = 100 pieces).
The single-use grinding vessels are ideal for use in food quality control, pharmacy, chemistry, forensics and pathology.

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The Software P-11Control for Windows: for automatic control of the mill via USB, for editing, saving and managing of the SOPs with grinding report generator.
With the software P-11Control, the mill can be controlled via the integrated USB port. SOPs can be edited, saved and managed directly on the connected laptop via drag & drop. Reversion-proof grinding reports can be created, archived quickly and easily with the integrated report generator.
The software P-11Control offers a data interface for the connection to your laboratory database.

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The scraper made of robust plastic is a useful helper in the laboratory and can be utilized to remove sample material completely from the grinding vessel.

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A replacement knife coupling for the protection of the knife holder is already included in the delivery of the instrument. We recommend replacing the knife coupling after 200 hours of operation to avoid damage to the instrument.

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IQ/OQ documentation (questionnaire format - implementation by customer) for the independent utilization for the support of instrument qualification in the quality management system for the Knife Mill PULVERISETTE 11.