- In
staining dyes,
nigrosin (CI 50415,
Solvent black 5) is a
mixture of
black synthetic dyes made by
heating a
mixture of nitrobenzene, aniline, and hydrochloric...
-
revealed the ink
contained no iron, and was
based on a
synthetic dye
called nigrosine,
patented and
commercially available in 1867, and in
general use in writing...
- odor". Dyes make up the
final 2–3% of the polish. A
traditional dye is
nigrosine, but
other dyes (including azo dyes) and
pigments are used for oxblood...
- make a
violet iron gall ink
without revealing the
amount and
soluble nigrosine dye for an
immediate black iron gall ink. To
avoid the
toxic carbolic...
- the
crocodile wrestling scene, a
mechanical crocodile,
equipped with
nigrosine dye
sacks to
simulate blood, was used.
Perhaps the
highlight of the action...
- 200 lbs of
double pressed stearic acid (130 °F. Titer) and 4 lbs of
nigrosine base B dye are
placed in a 200-gallon cast iron cauldron. The cauldron...
