Conceptid (3) | Preflabel |
---|---|
OPALWCP0 | Concentration of biogenic silica {BSi opal} per unit volume of the water body [particulate >0.6um phase] by filtration, alkali hydrolysis and colorimetric analysis |
OPALWCP4 | Concentration of biogenic silica {BSi opal} per unit volume of the water body [particulate >0.4/0.45um phase] by filtration, alkali hydrolysis and colorimetric analysis |
OPALWCP7 | Concentration of biogenic silica {BSi opal} per unit volume of the water body [particulate >unknown phase] by filtration, alkali hydrolysis and colorimetric analysis |