Corrosion inhibitor for bathing water containing sodium...

Details Corrosion inhibitor for bathing water containing sodium... Corrosion inhibitor for bathing water containing sodium...

C - Chemistry, Metallurgy

23

F

C23F 11/167 (2006.01) C23F 11/08 (2006.01) C23F 11/18 (2006.01)

Patent

CA 2443963

The invention relates to a corrosion inhibitor for bathing water containing chloride and sulfate. Said corrosion inhibitor can be produced by mixing a) between 10 and 40 wt. % of phosphoric acid, b) between 5 and 25 wt. % of an alkali hydroxide, c) between 0.01 and 10 wt. % of zinc chloride, d) between 0.01 and 5 wt. % of aminotrimethylene phosphonic acid, and e) water to add up to 100 wt. %.

L'invention concerne un inhibiteur de corrosion pour eaux de bain contenant du chlorure et du sulfate, qui peut-être obtenu par mélange de a) entre 10 et 40 % en poids d'acide phosphorique, b) entre 5 et 25 % en poids d'un hydroxyde de métal alcalin, c) entre 0,01 et 10 % en poids de chlorure de zinc, d) entre 0,01 et 5 % en poids d'acide phosphonique d'aminotriméthylène et e) de l'eau, à concurrence de 100 % en poids.

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