1. Aluminium Cleaners Formulation I
Oxalic acid = 1-20 parts
Sodium bifluoride = 1-20
Soap, capable of liberating fatty acids in solutions = 1-20
At least40% of the fatty acids should besaturated.
Add about 9 to 39 parts of some finely ground abrasive.
2. Aluminium Cleaners Formulatioin II
Nitric acid (42°Be’) = 0.3 - 1 Pt.
Sodium sulphate(hydrate) =
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