Definitions
from The Century Dictionary.
- noun 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.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.), obsolete A salt derived from a protoxide base.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry The form of a
salt of a particularbase /acid combination that has the lowest proportion of base - noun chemistry A salt derived from a
protoxide
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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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,
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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.
Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field
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Or _Ferricyanide of Iron_, is formed by adding the red prussiate of potash to a protosalt of iron.
Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field
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