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Shark fins

Protocol number:	M0098118
Industry:	Biology
Feed Size:	6 cm
Desired Fineness:	< 4 mm
Quantity:	150 g
Recommendation:	We recommend using a Power Cutting Mill PULVERISETTE 25 to avoid a grinding result with high fine fraction particles.

Result 1

	Cutting Mill PULVERISETTE 19 large speed 50-700 rpm
Equipment:	standard rotor with V-cutting edges and fixed knives made of tool steel + sieve cassette with 4.0 mm square perforations, stainless steel
Feed quantity:	155 g
Feed Size:	6 x 6 cm
Grinding time:	7 min
Final fineness:	< 4 mm
Comments:	Complete sample amount got ground within 7 minutes. After grinding, rotor knives and openings of the used sieve cassette remained free of sample. Only a few particles use to lie loose on top of the sieve cassette and will not been grabbed by the rotor again. A grinding of higher amounts of sample is possible. Cleaning afterwards can be performed rapidly by brushing off.