Conceptid (2) | Preflabel |
---|---|
OPALWCP7 | Concentration of biogenic silica {BSi opal} per unit volume of the water body [particulate >unknown phase] by filtration, alkali hydrolysis and colorimetric analysis |
OPALWCZZ | Concentration of biogenic silica {BSi opal} per unit volume of the water body [particulate >unknown phase] |