Sentence examples for black tarnish from inspiring English sources

The number of cycles needed to obtain a black tarnish layer was set to 60 (i.e., 60 min).

When cut open, it exhibits a metallic luster, but contact with moist air corrodes the surface quickly to a dull silvery gray, then black tarnish.

Dips are used by silver restorers when heavy black tarnish cannot be removed with liquid or paste polishes.

Brass chandeliers have grown black with tarnish.

His hands are smeared black with tarnish and he wears thick glasses.

Silver, prized throughout history for its luster and shine, develops a black Ag2S tarnish layer that is aesthetically displeasing when exposed to atmospheric pollutants.

This last decade of Rothko's life saw his palette reduce dramatically – the refulgent primaries, the glowing oranges and yellows, of his first colour-field paintings giving way to a predominance of increasingly sombre shades of red and black: bruised plum, tarnished magenta, deep scarlet.

Their souls are tarnished, black as hell.

Thorium metal is silvery and tarnishes black when exposed to air.

DaimlerChrysler owns 37.3percentt of Mitsubishi, which has been struggling with heavy debts, weak demand in Japan and a series of self-inflicted black eyes that have tarnished its brand.

Finally, they might consider making a lateral move or even taking a step back in compensation to work for a highly reputable company that might counter the black mark from the tarnished firm.