Other workplaces

Experimental laboratory

Experimental laboratory

Experimental laboratory operates with a Parr thermoreactor (V = 0,5 l) which allows us to conduct experiments on real rocks at temperatures up to 500 °C, pressure of 400 bar, with variable fluids (H2O, CO2, NaCl and other).

 

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Geochemical laboratory

Geochemical laboratory

Laboratory of experimental geochemistry undertakes many experiments and types of research, for instance:

– dynamics and mechanisms of mineral - water interactions 
– preparation and treatment of mineral and rock samples for experiments 
– analyses and monitoring of fundamental chemical components of systems 
– simulation of karst processes 
– soil studies
– preparation of chemical and physical field analyses 
– standardisation, instrument calibration

Standard equipment:

– pH-meters, titrators, photometers, detectors
– chemical component analysers 
– column and batch reactors

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Cathode luminescence

Cathode luminescence

The cathode luminiscence laboratory is equipped with the Neuser HC-2 cathode luminiscence microscope (hot cathode). This device enables viewing and documentation both with CL and standard polarising microscope. The cathode luminiscence method uncovers structures in rocks and minerals that are not revaled by other common methods. This method is especially suitable for the studies of carbonates, quartz, feldspars and some accessory minerals. 

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Pollutant migration

Pollutant migration

The laboratory is a shared workpace of the Department of Geological Sciences and the Czech Geological Survey. It provides a research space for the studies of short-term and long-term rock-water interactions in static and dynamic settings (batch and column experiments suitable for experiments lasting for as long as several years). The workplace is equipped with modern laboratory and field altimeters designed to monitor physical and chemical parameters of water. Changes in water and rock substrate composition in oxic and anoxic settings can be monitored when pollutant migration laboratory research is combined with data provided by our Chemical laboratory. Professional software is available for data interpretation and modeling (Geochemist´s Workbench, Groundwater Modeling System).

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Optical and fluorescence microscopy

Optical a fluorescence microscopy

 

The laboratory specializes in fluid inclusions found in minerals. Inclusions represent defects in crystal lattices that have been infilled with fluids (liquid, gaseous and sometimes even solid phasees), which were encapsulated within the mineral at the time of its formation. Thus, inclusions carry important information about physical and chemical conditions of their origin. The microthermometry method is founded upon the studies of phase changes of inclusions during heating (up to 600 °C) and cooling (down to -196°C). As fluid phases are common in the Earth's crust and form during many geological processe, the method can be applied to a wide spectrum of research problems and may reveal important information not only in geologic research but also in other scientific areas (geophysics, archaeology, environmental studies, palaeoclimatology etc.). As this type of research commonly requires a multidisciplinary approach, the Laboratory cooperates with similar workplaces abroad (Austria, Belgium, Slovakia). 

The equipment includes:
– Nikon Eclipse 80i microscope with long working distance objective lenses (ELWD – LU Plan Epi, 4x, 10x, 20x, 50x, 100x)
– Linkam THMSG600 heating/cooling chamber for temperatures +600° to -196°C
– TP94 operating unit and an LNP pump
– epifluorescence moduel (D-FL Epi-fluorescence) and source

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Sample preparation

Sample preparation facility

The Facility provides sample preparation services prior to sample analyses. The Facility is located in Building 11, door no. -1023 and is equipped with RETCH laboratory grinders. 

Anyone looking to utilise the RETCH grinders (disc or planetary) must book their time in the booking schedule!

Responsible staff members:

Disc grinder - Mgr. Dalibor Všianský, Ph.D.

Planetary grinder - Pavel Kadlec

RETCH planetary grinder - Booking schedule

RETCH disc grinder - Booking schedule

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