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  2. File:Gold Spot Price per Gram from Jan 1971 to Jan 2012.svg

    en.wikipedia.org/wiki/File:Gold_Spot_Price_per...

    English: This chart shows the nominal price of gold along with the price in 1971 and 2011 dollars (adjusted based on the consumer price index). The historical gold price was obtained from www.igolder.com; CPI was obtained from www.rateinflation.com. The data is in section Chart Data.

  3. Gold plating - Wikipedia

    en.wikipedia.org/wiki/Gold_plating

    Gold plated - gold layer thickness greater than or equal to 0.5 micron; Heavy gold plated / Vermeil - gold layer thickness greater than or equal to 2.5 micron; Gold plated silver jewellery can still tarnish as the silver atoms diffuse into the gold layer, causing slow gradual fading of its color and eventually causing tarnishing of the surface ...

  4. Kuwait–Qatar relations - Wikipedia

    en.wikipedia.org/wiki/KuwaitQatar_relations

    In 2020, Qatar and Kuwait signed a 15-year sale and purchase agreement for the supply of up to 3 million tonnes of liquefied natural gas to Kuwait per year. [ 7 ] On 20 February 2024, Sheikh Tamim bin Hamad Al Thani and Mishal Al Ahmad Al Jaber Al Sabah met in Doha for the first time since the latter became the new Emir of Kuwait in December 2023.

  5. Electroplating - Wikipedia

    en.wikipedia.org/wiki/Electroplating

    Electroplating of acid gold on underlying copper- or nickel-plated circuits reduces contact resistance as well as surface hardness. Copper-plated areas of mild steel act as a mask if case-hardening of such areas are not desired. Tin-plated steel is chromium-plated to prevent dulling of the surface due to oxidation of tin.

  6. Gold souk - Wikipedia

    en.wikipedia.org/wiki/Gold_souk

    A Gold souk (Arabic: سوق الذهب) is a gold market in Arab countries of Arabian Peninsula and particularly in GCC countries. [1] The word souk is mostly used by Arabs for open markets. The term evolved through the expatriates settled in Gulf Cooperation Council countries, and spread to other Asian and western parts due to the growing ...

  7. Electroless nickel immersion gold - Wikipedia

    en.wikipedia.org/wiki/Electroless_nickel...

    Electroless nickel immersion gold (ENIG or ENi/IAu), also known as immersion gold (Au), chemical Ni/Au or soft gold, is a metal plating process used in the manufacture of printed circuit boards (PCBs), to avoid oxidation and improve the solderability of copper contacts and plated through-holes.

  8. Economy of Kuwait - Wikipedia

    en.wikipedia.org/wiki/Economy_of_Kuwait

    Kuwait was the world's biggest exporter of sulfonated, nitrated and nitrosated hydrocarbons in 2019. [121] Kuwait was ranked 63rd out of 157 countries in the 2019 Economic Complexity Index (ECI). [121] Iraq was Kuwait's leading export market in 2019 and food/agricultural products accounted for 94.2% of total export commodities. [122]

  9. Electrogalvanization - Wikipedia

    en.wikipedia.org/wiki/Electrogalvanization

    Such zinc electroplating or zinc alloy electroplating maintains a dominant position among other electroplating process options, based upon electroplated tonnage per annum. According to the International Zinc Association, more than 5 million tons are used yearly for both hot-dip galvanization and electroplating. [ 1 ]

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