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Mini-Mill Pulverisette 23
The ultra-compact FRITSCH Mini-Mill is ideal for fine comminution of smallest quantities of medium-hard, brittle and moist samples – wet, dry or cryogenic. Its special spherical grinding bowl ensures a much better performance in grinding, mixing and homogenizing compared with similar models. With a footprint of just 20 x 30 cm and a weight of 7 kg it easily fits anywhere; it’s smart, user-friendly, inexpensive and convinces with impressive results, small, fast, effective.
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Mini-Mill Pulverisette 23
Features
- Fast, reproducible comminution
- Extremely compelling in price and in performance
- Convenient grinding bowl mount with plug-style closures practical and quick clamping system
- Grinding bowl oscillations: 900 – 3,000 oscillations/min at 9 mm amplitude
- Regulated oscillation frequency (15 – 50 Hz)
- Small grinding bowl volumes for smallest sample quantities 0.1 ml – 5 ml
- Low contact surface area with grinding elements
- Operating panel with integrated, easy-to-clean glass keyboard
- Extensive accessories for simplifying your daily work
specifications
| Working principle | impact force |
| Optimal for material type | medium-hard, brittle, moist |
| Grinding tools | grinding bowls and grinding balls |
| Materials of the grinding tools | zirconium oxide, hardened stainless steel, PTFE |
| Grinding bowl sizes | 5, 10, 15 ml |
| Grinding ball diameter | 0.1 – 15 mm |
| Max. feed size (depends on material) | 6 mm |
| Min. sample quantity | 0.1 ml |
| Max. sample quantity | 5 ml |
| Final fineness (depends on material) | 5 µm |
| Grinding time (depends on material) | 2 min |
| Grinding process | dry / wet |
| Cryogenic grinding | liquid nitrogen can be used for pre-cooling in the PTFE bowl |
| Grinding bowl oscillations per minute | 900 – 3,000 at 9 mm amplitude |
| Electrical details | 100 – 240 V/1~, 50 – 60 Hz, 70 Watt |
| Emission sound pressure level at the workplace according to DIN EN ISO 3746 (depending on the material to be ground and grinding bowl/balls used) | approx. LpAd = 75 dB |
| Weight | 7 kg |
| Dimensions (W x D x H) | bench top instrument 20 x 30 x 30 cm |
Manufacturers
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Mini-Mill Pulverisette 23
Industries
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Methods
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Spares and accessories for Pulverisette 23
GRINDING BALLS
For achieving best grinding result grinding balls are available in ≤ 3 mm – 15 mm diameters and in 2 different materials, thus directly preventing contamination of the samples as a result of undesired abrasion. The 5 ml PTFE bowl is especially suited for biotechnology applications. The recommended number of balls per grinding bowl can be found in the selection aid.
GRINDING BOWLS
Please select 1 grinding bowl, which is offered in the sizes 15 ml, 10 ml and 5 ml to perfectly match your sample volume. The useful capacity of the grinding bowls can be found in the selection aid. For the best grinding results all grinding bowls are available in 3 different materials thus directly preventing contamination of the samples as a result of undesired abrasion.
