PHOSPHORIC a.
ant and extensive series of compounds, viz., the phosphates. -- Soluble phosphoric acid, Insoluble phosphoric acid (Agric. Chem.), phosphoric acid combined in acid salts, or in neutral or basic salts, which are respectively soluble and insoluble in water or in plant juices. -- Reverted phosphoric acid (Agric. Chem.),…
PRUSSIAN a.
tash) to a ferric salt. It is used in dyeing, in ink, etc. Called also Williamson's blue, insoluble Prussian blue, Berlin blue, etc. -- Prussian carp (Zoöl.) See Gibel. -- Prussian green. (Chem.) Same as Berlin green, under Berlin.
SUPERPHOSPHATE n.
btained by trating bone dust, bone black, or phosphorite with sulphuric acid, whereby the insoluble neutral calcium phosphate, Ca3(PO4)2, is changed to the primary or acid calcium phosphate Ca(H2PO4)2, which is soluble and therefore available for the soil.
SUSPEND v.
To support in a liquid, as an insoluble powder, by stirring, to facilitate chemical action. To suspend payment (Com.), to cease paying debts or obligations; to fail; -- said of a merchant, a bank, etc.