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Essay On Metals
Beginning of essay
On Gold
What's so special about this gold stuff, anyway? I mean, it's
expensive because it's rare but why do we use it in jewellery?
Gold has a couple of fairly unique properties that have made it
attractive to jewellers throughout history. Prime among these is its
resistance to corrosion. The only ....
Middle of essay
....e, to be specific) will tarnish "gold" of as high as 18 K, though
of course it is really the alloying metals that are affected. Also - and
this is really the important bit - the more "impurities" you put in there,
the greater the possibility that some of them will "escape" and get
dissolved into your body. 14 K "gold" is frequently unsafe for those who
have developed "nickel allergy" - a hypersensitivity to nickel. 18 K is
usually safer, except for "white gold" where nickel is frequently used in.... |
| Number of words: 1159 |
Approximate pages: 5 |
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