Prep_pulverisette



The agate-inlayed device

  • Purpose: Pulverize small amount rock samples for geochemical analyses and for clay mineralogy / illite crystallinity
Prep_poly



Density separation device

  • Purpose: Density separation by Na-polytungstate and LST (fastfloat heavy liquid)
Frantz_Magnetscheider
Magnetic separation device

Kugelmuehle-Pulverisette
Planetary ball mill

Type Pulverisette
 Fa. Retsch

  • Purpose: Fine analysis of comminution of dry solids (rocks, soils, plants)
  • Grinding vessels: Agate with agate balls
  • Amount per pass: 20 g
  • Grinding time: 30 min
  • Final fineness: <63 µm


Scheiben-schwingmuehle
Vibratory Disc Mill

  • Purpose: Fine analysis of comminution of dry solids (rocks, soils, plants)
  • Grinding vessels: Steel rings
  • Amount per cup: 70-100 g
  • Grinding time: 5 min
  • Final fineness: <63 µm



Prep_shaking




Shaking table
(run by Dr. Klaus Wemmer, Isotope Geology Dept.)





Mikro