Chemistry of inorganic compounds – Extracting – leaching – or dissolving
Patent
1995-06-06
1996-12-24
Bos, Steven
Chemistry of inorganic compounds
Extracting, leaching, or dissolving
423 10, 423 20, 423 211, 423 53, 423 49, 4231501, B01F 100, C01G 5600, C01G 3700, C01F 1700
Patent
active
055871429
ABSTRACT:
A method of dissolving metal oxides using a mixture of a di- or polyphosphonic acid and a reductant wherein each is present in a sufficient amount to provide a synergistic effect with respect to the dissolution of metal oxides and optionally containing corrosion inhibitors and pH adjusting agents.
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Chiarizia Renato
Horwitz Earl P.
ARCH Development Corporation
Bos Steven
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