from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The form of a salt of a particular base / acid combination that has the lowest proportion of base
- n. A salt derived from a protoxide
from the GNU version of the Collaborative International Dictionary of English
- n. A salt derived from a protoxide base.
- n. a salt derived from a protoxide base or analogous compound.
from The Century Dictionary and Cyclopedia
- n. In chem., that one of two or more compounds of the same metal with the same acid which contains relatively the least quantity of metal.
Previous to development, the plate should be allowed to remain for a few seconds in the original thirty-grain silver-bath, then removed and developed with either pyrogallic acid or a protosalt of iron, and afterwards fixed,
It is a compound of iron and cyanogen, of varying composition, formed by adding yellow prussiate of potash to a persalt of iron, or by oxidizing the precipitate obtained from the prussiate and a protosalt.
Or _Ferricyanide of Iron_, is formed by adding the red prussiate of potash to a protosalt of iron.