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Tarnish

Tarnish is a thin layer of corrosion that forms over copper, brass, aluminum, magnesium, neodymium and other similar metals as their outermost layer undergoes a chemical reaction. Tarnish does not always result from the sole effects of oxygen in the air. For example, silver needs hydrogen sulfide to tarnish, although it may tarnish with oxygen over time.…

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Chemistry

Chemical reactionMetalNonmetalCompoundOxygen
8 related topics

Prevention and removal

FileSteel woolSandpaperEmery paperPolishing
8 related topics

Overview

CorrosionCopperBrassAluminumMagnesium
13 related topics

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Overview

Chemistry

Prevention and removal

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Map overview Semantic statistics

Tarnish

Nodes33
Edges32
Triples24
Avg. degree1.94
Density0.060606
Components1

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Tarnish

Top relations

has prevention · 4
Tarnish → Gentler, Heavy, Lighter, Objects
related to Chemistry · 3
Tarnish → It, The, There
is a · 2
Tarnish → surface phenomenon that is self-limiting, thin layer of corrosion that forms over copper

Important terminology Word statistics

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Important terminology

metal chemical copper may oxygen brass patina carbonate layer example unlike layers underlying silver rust metals reaction sulfide often silverware

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Tarnishis athin layer of corrosion that forms over copper0.90text
Tarnishis asurface phenomenon that is self-limiting0.90text
copper roofinginstance ofUnlike patina advantageous in applications0.80text
copperinstance ofUnlike patina advantageous in applications0.80text
bronzeinstance ofUnlike patina advantageous in applications0.80text
and brass statuesinstance ofUnlike patina advantageous in applications0.80text
fittings exposed to the elementsinstance ofUnlike patina advantageous in applications0.80text
a chemical patina may be considered undesirableinstance ofUnlike patina advantageous in applications0.80text
as on silverwareinstance ofUnlike patina advantageous in applications0.80text
or a matter of taste or conventioninstance ofUnlike patina advantageous in applications0.80text
as in toning on coinsinstance ofUnlike patina advantageous in applications0.80text
steel woolinstance ofPrevention and removalHeavy tarnish can be mechanically removed by using tools such as a file or abrasive materials0.80text

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    Min side: 3
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