Process for decreasing the rate of titanium corrosion

Details Process for decreasing the rate of titanium corrosion Process for decreasing the rate of titanium corrosion

1979-04-11

1982-03-23

Barr, J. L.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

252387, 252389R, 210749, 148 624, 106 1421, C23F 1104

Patent

active

043212310

ABSTRACT:
A process is provided for decreasing the rate of corrosion of titanium by a corrosive aqueous media containing dissolved acidic moieties in contact therewith at an elevated temperature in the substantial absence of molecular oxygen which comprises introducing into said corrosive aqueous medium at least one soluble tellurium or selenium compound or mixtures thereof as corrosion inhibitor, said corrosion inhibitor being introduced in an amount sufficient to provide at least about 1.times.10.sup.-6 gram-atoms of dissolved tellurium or selenium values per gram-mole of total acidic moieties in the corrosive aqueous medium.

REFERENCES:
patent: 2661286 (1953-12-01), Swazy et al.
patent: 2678875 (1954-05-01), Spooner
patent: 3010854 (1961-11-01), Satterfield
patent: 3457103 (1969-07-01), Keller et al.
"Corrosion and Protection of Metal Materials Used in Industrial Equipment", pp. 79-90.
Titanium Science and Technology, vol. 4, pp. 2383-2393, (1973).
61 Chem. Abstracts, 7952c, (1964).

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