Chances are the ring on your finger is marked 18K, 14K, or 10K to indicate how much pure gold is present in the mix. The K stands for karat, the system used to state how much pure gold is found in an item. Gold Karat Markings 24K gold is pure gold. 1...
You may have contact dermatitis from the nickel in the "white gold". There really is not such thing as white gold, alloys like nickel are mixed to give it that white colour. The two most common metals that people have reaction to are nickel and chrom...
in oxidation of alloys there is some kinds of metals . first one of them that has great affinity with oxygeon, is combined then other metals oxidised. every metal that releases greater energy it is combined earlier.but in pure metals we encounter wit...