Jet lag symptoms may include: 1  Disturbed sleep â such as insomnia, early waking or excessive sleepiness. 2  Daytime fatigue. 3  Difficulty concentrating or functioning at your usual level.  Stomach problems, constipation or 1  diarrhea. A general feeling of not being well.  Mood changes.
10-karat gold is an alloy made up of 10 parts gold and 14 parts other metals such as copper, zinc, silver or nickel. In percentage terms, 10K gold contains 41.7% pure gold.Jewelry that is 10K gold will usually be stamped with a mark such as 10KT, 10K, 10kt or something similar. If you see a mark reading .417, this also means that the item is 10 karats gold.n percentage terms, 10K gold contains 41.7% pure gold. Jewelry that is 10K gold will usually be stamped with a mark such as 10KT, 10K, 10kt or something similar. If you see a mark reading .417, this also means that the item is 10 karats gold.
Well, karats of gold are measured according to 24 karat being the gold standard. All karats are fractions according to how much pure gold they contain. 18 karat gold would then be 18/24, with the 24 referring to 24 karat gold. So there are 18/24 parts of gold, or 75% gold content in 18k gold. Similarly, 22k gold -- the next common percentage of gold for the 'k' mark -- is 22/24 parts pure gold.