Passivation of pyrophoric metals

Details Passivation of pyrophoric metals Passivation of pyrophoric metals

1990-02-21

1992-02-18

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Compositions

Solid treating composition for liquid metal or charge

75444, 75722, C23F 1102

Patent

active

050890492

ABSTRACT:
The present invention provides a process for the passivation of pyrophoric metals and especially of magnesium by coating with a passivation agent, wherein, as passivation agent, there is used 0.5 to 5% by weight of an s-triazine derivative and/or a guanidine, referred to the weight of the metal.
The present invention also provides a passivated pyrophoric metal, wherein the metal particles are coated with 0.5 to 5% by weight of an s-triazine derivative and/or guanidine or a guanidine derivative, referred to the weight of the metal.

REFERENCES:
patent: 4329168 (1982-05-01), Rubio
patent: 4814007 (1989-03-01), Lin

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