- for
cyclizations and acylations; an
alternative is Eaton's reagent.
Metaphosphoric acid (HPO3) is a colorless, vitreous,
deliquescent solid,
density 2...
- Metaphosphorsäuren und zwei neue Säuren
derselben Verbindungsproportion" [On
various metaphosphoric acids and two new
acids of the same
compound proportion].
Annalen der...
- acid 1
salts +4 H4P2O6
hypophosphoric acid 4 acid,
salts +5 (HPO3)n
metaphosphoric acids n
salts (n = 3,4,6) +5 H(HPO3)nOH
polyphosphoric acids n+2 acids...
- metabisulfite: 2
bisulfite (HSO−3) → 1
metabisulfite (S2O2−5) + H2O
metaphosphoric acid: 3
orthophosphoric acid (H3PO4) → 1
trimetaphosphoric acid (H3P3O9)...
-
sometimes been
called orthophosphoric acid, in
order to
distinguish it from
metaphosphoric acid, HPO3. However,
according to IUPAC's
current rules, the prefix...
-
suggest that this
substance is
related to
glycerol in the same way as is
metaphosphoric acid to
orthophosphoric acid. In the
following year he
studied the action...
-
metaphosphate can be
prepared by the
reaction of
barium carbonate with
metaphosphoric acid:[citation needed] BaCO3 + 2HPO3 → Ba(PO3)2 +CO2 +H2O or alternatively...
- It can also be
prepared from
heating of a
mixture of
molybdenum and
metaphosphoric acid in a
carbon crucible: 2 Mo + 2 HPO3 + 5 C → 2 MoP + 5 CO + H2O...
-
three acidic hydrogens.
Forms the
trimetaphosphate salts and esters.
Metaphosphoric acid is a
general term for
phosphoric acids with a
single cycle, (–P(O)(OH)–O–)n...
- 29) To the
theory of A.A.
Yakovkin (ib., 1897, vol. 29) A note on
metaphosphoric acids (ib., 1898, vol. 30)
Thermochemical studies in
alcoholic solutions...
