De-scaling solution and methods of use

Details De-scaling solution and methods of use De-scaling solution and methods of use

1997-05-22

1998-10-13

Lieberman, Paul

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

For cleaning a specific substrate or removing a specific...

510110, C02F 508

Patent

active

058212116

ABSTRACT:
De-scaling solution comprising about 5 wt. % to about 25 wt. % nitric acid, about 0.1 wt. % to 1 wt. % phosphoric acid, about 0.5 wt. % to about 9 wt. % hydrogen peroxide, about 2 wt. % to about 12 wt. % surfactant and the balance water, preferably deionized. Optionally, a catalyst such as NiCl.sub.2 or FeCl.sub.2 may be added to the solution.

REFERENCES:
patent: 5354383 (1994-10-01), Bianchi
patent: 5480627 (1996-01-01), Takei et al.
patent: 5523000 (1996-06-01), Falbaum et al.

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