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Upgrade the phosphoric acid

How to upgrade the 44% phosphoric acid to 54% phosphoric acid in simple process and with limitted equipments?

M.SUBBURAJ
RESEARCHER - CHENNAI, INDIA
2005

Add some more concentrated phosphoric acid.

Bill Reynolds [deceased]
consultant metallurgist - Ballarat, Victoria, Australia
We sadly relate the news that Bill passed away on Jan. 29, 2010.
2005

How about boiling off some of the water? As far as I know 44% phosphoric acid is not a eutectic mixture, but check it first.

Trevor Crichton
R&D practical scientist
Chesham, Bucks, UK
2005

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