About Laboratory

The Laboratory provides expert opinions and interprets test results.

Our Testing Laboratory, accredited according to EN ISO/IEC 17025 since 2018, provides the following tests:

Accredited tests

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Determination of metals in water and aqueous extracts by Atomic Absorption Spectrometry (AAS), including the preparation of test specimens, crushes and extracts from them – procedures according to Czech legislation (for contact with drinking water and for wastewater)
Determination of content of biomass and biomass carbon in solid recovered fuels according to EN ISO 21644 by method of selective dissolution
Determination of water-soluble chromium (Cr⁶⁺) in cement and cement-containing preparations according to EN 196 -10
Determination of total water content by gravimetry according to CEN/TS 15414-1
Determination of ash content by gravimetry according to EN ISO 21656
Determination of conductivity according to EN 27888
Determination of ammonium (NH₄⁺) by photometry according to ISO 7150-1
Determination of carbon content by combustion method by infrared spectrometry according to EN ISO 21663
Determination of particle distribution and measurement of particle size on the principle of laser beam diffraction

Comprehensive chemical analysis of silicate materials and building products
EN 196-1 – Determination of strength
EN 196-3+A1 – Determination of setting times and soundness
EN 196-6 – Determination of fineness
ČSN 72 2113 – Determinations of density of cement
EN 450-1+A1 Fly ash for concrete – Determination of efficiency index, setting times, soundness, requirement for water
Granulometric analysis of granular and powder materials by sieve and by validated laser grain method (for particular size from 0.01 to 2100 micron)
EN 933-9 – Determination of clay content in limestone
ČSN 72 2452 – Testing of frost resistance
EN 459-2 – Determination of reactivity of lime
Determination of pH and conductivity of water and water extracts
Determination of grindibility, determination of the effectiveness of grinding intensifiers
Determination of reactivity of limestone for desulphurization
Determination of slag glassiness
Determination of asbestos microscopically

We also offer the interpretation of measured results. (Not included in the test report.)