The filtrate is treated with sodium phosphate, and the magnesia is weighed as pyrophosphate, or titrated with uranium acetate.
By solution of the altered salt in water, crystals of pyrophosphate of sodium may be obtained.
The precipitate is collected, washed with ammonia, ignited, and weighed as pyrophosphate.
The precipitate is washed with dilute ammonia, dried, ignited, and weighed as pyrophosphate.
A gelatinous precipitate which dissolves with facility in excess of pyrophosphate of sodium.
Ten grams of an iron yielded 12 milligrams of pyrophosphate of magnesia.
Ten grams of an iron ore gave 12 milligrams of pyrophosphate.
pyrophosphate py·ro·phos·phate (pī'rə-fŏs'fāt')
A salt or an ester of pyrophosphoric acid.