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Sample fixation in 4% formaldehyde solution or by freezing. Petri dishes for sorting and species identification, stereo magnifying glass is used for counting and identification; wet weight and dry weight are determined.
Sample fixation in 4% formaldehyde solution or by freezing. Petri dishes for sorting, stereo magnifying glass is used for counting and identification; wet weight and dry weight are determined.
Sample fixation with acid Lugol solution, plankton chambers and inverted microscope is used. Counting according to Uthermohl (1958). Species composition and abundance are estimated, cell volume (=biomass) is calculated.
Sample fixation in 4% formaldehyde solution. Bogorov plankton chamber, stereomiscroscope is used, species composition and abundance are estimated, biomass is calculated.
MX840A 8-channel universal,compact size, amplifier of HBM's QuantumX data acquisition system. MX840A convinces by its outstanding flexibility, measurement performance.
Measurements are carried out with thermograph Testo 881
Equipment associated with this service:
B.1.5. Spin extractor method
LVS EN 12697-2+A1:2007 Bituminous mixtures - Test methods for hot mix asphalt - Part 2: Determination of particle size distribution
54 betona kubiņu testēšana spiedē un salizturībā
Testing of building materials