Method, composition and use

Details Method, composition and use Method, composition and use

C - Chemistry, Metallurgy

11

D

C11D 3/20 (2006.01) C11D 7/26 (2006.01) C23G 1/08 (2006.01)

Patent

CA 2648955

A method of reducing rust in an automatic dishwasher comprises providing a rust-combating composition in the cleaning cycle of the dishwasher. The rust-combating composition be an organic acid. Preferred organic acids are oxalic acid and ascorbic acid. A passivating agent may be present, for example a phosphoric acid, a phosphate or a silicate.

Une méthode de réduction de la rouille dans un lave-vaisselle automatique consiste à libérer une préparation antirouille lors du cycle de lavage du lave-vaisselle. La préparation antirouille peut être un acide organique. Les acides organiques préférés sont l'acide oxalique et l'acide ascorbique. Un agent de passivation peut être présent, par exemple un acide phosphorique, un phosphate ou un silicate.

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