- NaNO2 → 4 Na3[Co(NO2)6] + 8 NaNO3 + 4 NaOH + 22 H2O
Although the
sodium cobaltinitrite is
soluble in water, it
forms the
basis of a
quantitative determination...
- and
nitrite salts in the
presence of oxygen. The
corresponding sodium cobaltinitrite is
significantly more
soluble in water. The
compound was
first described...
- blue, viridian,
cobalt violet,
cadmium yellow,
aureolin (pot****ium
cobaltinitrite), zinc white, and a wide
range of
carmine and
madder lakes.
These pigments...
- acid, and
sodium cobaltinitrite into
respectively pot****ium tetraphenylborate, pot****ium hexachloroplatinate, and pot****ium
cobaltinitrite. The reaction...
- + 2 H+
Ammonium ion when
added to
sodium cobaltinitrite gives a
yellow precipitate of
ammonium cobaltinitrite. Na3[Co(NO2)6](aq) + 3 [NH4]+(aq) → [NH4]3[Co(NO2)6](s)...
-
determination of pot****ium was
advantageous compared to the
sodium cobaltinitrite method used previously,
since it
required a
single precipitation reaction...
- "Doppelsalze" or double-salts and its
chemical composition is pot****ium
cobaltinitrite. He
characterized it
again and
wrote more
extensively about it in 1842...
-
Notable exceptions include ammonium hexachloroplatinate and pot****ium
cobaltinitrite. Most
nitrates and many
sulfates are water-soluble.
Exceptions include...
- (PbCrO4).
Cobalt pigments Aureolin or
cobalt yellow (PY40): pot****ium
cobaltinitrite (K3Co(NO2)6). Iron
pigments Yellow ochre (PY43): a
naturally occurring...
-
inventory includes octahedral complexes [M(NO2)6]3−,
where M = Co (Sodium
cobaltinitrite) and Rh. Square-planar
homoleptic complexes are also
known for Pt(II)...
