Unburnt content of ashes is measured using gravimetric method.
Equipment associated with this service:
Comparative studies of waterbird breeding success on different waterbodies and habitats;
Development of complex diagnostics and mineral nutrition optimization for different crop cultures
Soil mechanical properties measurements by standard LVS CEN ISO/TS 17892-5, GOST 12248-2010 (mo, E, Cv, Kf)
Determination according to LVS EN 826:1996 / LVS EN ISO 844:2009
Photocolourimetric estimation (after F. Koroleff [Grasshoff, 1983]). Optical density vs. distilled water recorded at 630 nm wavelength.
Chlorophyll a extraction from phytoplankton with ethanol.
Initial reduction with cadmium (after K. Grasshoff [Grasshoff, 1983]). Optical density vs. distilled water recorded at 543 nm wavelength.
Photocolourimetric estimation (after K. Grasshoff [Grasshoff, 1983]). Optical density vs. distilled water recorded at 543 nm wavelength.
Reduction principle after Murphy and Riley [Grasshoff, 1983]. Optical density vs. reference sample recorded at 885 nm wavelength.
