Stabilization of hydrogen peroxide in acid baths for cleaning me

Details Stabilization of hydrogen peroxide in acid baths for cleaning me Stabilization of hydrogen peroxide in acid baths for cleaning me

1976-01-13

1977-05-10

Weinblatt, Mayer

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 792, 252 794, 252102, 252186, 156659, 156664, 134 3, 423272, 423584, C11D 760

Patent

active

040227030

ABSTRACT:
Hydrogen peroxide-containing acidic baths for pickling metals, the bath compositions being stabilized according to the invention so that the baths can be used over long periods of time without appreciable decomposition of hydrogen peroxide, such baths containing from about 10 to 400 g/liter of sulfuric acid, 2 to 80 g/liter of 100% hydrogen peroxide, and 10 to 500 mg/liter of an oxyquinoline derivative stabilizer, the compositions optionally containing a surface active agent, and/or from 0.3 to 2 g/liter of fatty alcohol-ethylene oxide polycondensate stabilizer as well as methods for pickling metals using such baths.

REFERENCES:
patent: 3514411 (1970-05-01), Kolobielski
patent: 3649194 (1972-03-01), Glanville
patent: 3905907 (1975-09-01), Shiga

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