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| - Sodium
Hexa Meta Phosphate - Tetra Potassium Pyro Phosphate - Sodium Tri Poly Phosphate |
- Tetra
Sodium Pyro Phosphate - Sodium Acid Pyro Phosphate |
'Pyro'
is the chemical prefix for oxo acid formed through the loss of one water
molecule from two molecules of an ortho acid (dehydration of two
molecules by heating). Pyrosulphuric acid is an example ( 2H2SO4
- H2O = H2S2O7). Otho
acid is the compound fully hydrated acid or of its salts.
Orthophosphoric acid is an example (H3PO4 = P2O5.3H2O),
in contrast to the less hydrated form, metaphosphoric acid (HPO3
= P2O5.H2O). |
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