Compositions – Preservative agents – Anti-corrosion
Patent
1991-05-13
1994-03-22
Stoll, Robert L.
Compositions
Preservative agents
Anti-corrosion
252 70, 2523892, 25238923, 422 7, 422 15, C09K 318, C23F 1106
Patent
active
052961672
ABSTRACT:
There is disclosed a method to inhibit the corrosion of metals by sodium chloride and calcium chloride solutions by incorporating in the solutions a mixture of mono- and di-hydrogen orthophosphates. Sodium chloride solutions which contain calcium chloride, e.g., rock salt solutions, are inhibited against corrosion when the percentage of dihydrogen orthophosphate is from 10 to 60 percent of the mixture of di- and mono-hydrogen orthophosphates. Calcium chloride solutions are inhibited against corrosion when the percentage of dihydrogen orthophosphate is from 50 to 100 percent of the mixture of di- and mono-hydrogen orthophosphates.
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Fee Valerie
Stoll Robert L.
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