Sentence examples for silver tarnish from inspiring English sources

He explains that the humid climate makes silver tarnish too quickly; it needs too much polishing.

While Ag2S is the main component in silver tarnish, sulfate, chloride, oxide, and oxygenated carbon species can also be present [4].

Recent results show that such films can be effective in reducing the rate of silver tarnish formation by preventing atmospheric H2S gas from reaching and reacting with the silver surface [16].

Silver tarnishes rapidly even in the presence of minute amounts of sulfur, and lead will quickly corrode in the presence of acetic acid.

Such effects of silver tarnishing, by time, are also known in the literature.

Silver tarnishes - it reacts with minute amounts of sulphur in the air.

Investigation of the molecular processes of silver oxidation show that the direct pathway, Eq. 1, that has been proposed and accepted by the cultural heritage field for silver tarnishing, does not depict the essential mechanism; in fact, silver, pure or in an alloy, does not react directly with sulphide forming silver sulphide (Ag2S), even in the presence of high sulphide concentrations [26, 39].

Among the different forms of degradation in illuminations of Cofre n.º 31, the silver tarnishing [8] stands out, appearing associated to other pigments, such as in the dark small flowers of the borders (Fig. 14a), where the element Ag was clearly identified by µ-EDXRF (Fig. 14b).

Some of these colours also show specific degradation: darkening of the mixture of minium and vermillion; silver tarnishing with strong migration into the parchment support, especially when associated with minium; detachment of azurite, lead white and its mixtures, such as flesh tones and light colours.

Slow down the process of silver tarnishing by using the gel beads in jewelry boxes and with your silverware.

Silver will tarnish when it is exposed to the sulfur polluted atmosphere.