Formulation for the dissolution of gypsum

Details Formulation for the dissolution of gypsum Formulation for the dissolution of gypsum

1977-05-05

1978-06-27

Padgett, Benjamin R.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

252 82, 252 86, 252 87, 166311, 166312, 252 855B, 134 2, C23G 102

Patent

active

040968693

ABSTRACT:
A method for dissolving and/or disintegrating gypsum comprising contacting said gypsum with an aqueous solvent containing as an active agent an hydroxamic acid and/or certain salts thereof.

REFERENCES:
patent: 3696040 (1972-10-01), Mayo
patent: 3706669 (1972-12-01), Gardner
patent: 3793209 (1974-02-01), Thompson
patent: 3808143 (1974-04-01), Gardner
patent: 3948976 (1976-04-01), Suen et al.
patent: 3951827 (1976-04-01), Burroughs

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