Cleaning of hard surfaces

Details Cleaning of hard surfaces Cleaning of hard surfaces

1976-09-10

1978-04-04

Weinblatt, Mayer

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 81, 252178, 252188, C11D 754

Patent

active

040826830

ABSTRACT:
An improved dithionite composition suitable for preparing stock solutions comprising a dithionite, e.g., sodium dithionite, and at least 5% by weight of a water-soluble sulphite, e.g., sodium sulphite. The composition may further contain a metal-complexing agent, an activator for the dithionite, a surface-active agent and a thickening agent. The composition is applicable for the removal of metal dust soiling and metal oxide stains, particularly rust stains, from surfaces.

REFERENCES:
patent: 3183191 (1965-05-01), Hach
patent: 3732171 (1973-05-01), Kuhajek et al.
patent: 3773679 (1973-11-01), Kise et al.

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