{"id":8868,"date":"2016-11-15T13:00:20","date_gmt":"2016-11-15T13:00:20","guid":{"rendered":"http:\/\/admin.acceleratingscience.com\/metals\/?p=8868"},"modified":"2026-07-31T21:06:33","modified_gmt":"2026-07-31T21:06:33","slug":"how-do-i-recover-microscopic-gold-from-plating-solution","status":"publish","type":"post","link":"https:\/\/www.thermofisher.com\/blog\/metals\/how-do-i-recover-microscopic-gold-from-plating-solution\/","title":{"rendered":"How Do I Recover Microscopic Gold from Plating Solution?"},"content":{"rendered":"<p><em><img loading=\"lazy\" decoding=\"async\" style=\"float: right;border: 0;margin: 10px\" title=\"use XRF on gold plate necklaces\" src=\"http:\/\/www.thermofisher.com\/blog\/metals\/wp-content\/uploads\/sites\/4\/2016\/11\/istock_105435091_goldnecklaces.jpg\" alt=\"use XRF on gold plate necklaces\" width=\"500\" height=\"375\" \/>Editor\u2019s Note: \u00a0We received an inquiry regarding our article<\/em><em>,\u00a0<a href=\"https:\/\/www.thermofisher.com\/blog\/metals\/how-gold-plating-is-done-step-by-step\/\" target=\"_blank\" rel=\"noopener\">How Gold Plating is Done, Step by Step<\/a>\u00a0by\u00a0<em>Calla Gold<\/em><\/em><em>, a Santa Barbara jeweler specializing in custom jewelry design and jewelry repair. \u00a0Here&#8217;s her answer:<\/em><\/p>\n<p><span style=\"font-size: 14pt\">Reader&#8217;s Questions:<\/span><\/p>\n<ul>\n<li>How do I recover \u00a0microscopic gold from plating solution?<\/li>\n<li>Is there much gold left in suspension when one is plating gold regularly?<\/li>\n<li>In other words how worth it is it to try to recover microscopic gold in plating solution I am ready to dispose of?<\/li>\n<\/ul>\n<p><span style=\"font-size: 14pt\">Author&#8217;s Answer:<\/span><\/p>\n<p>This is a great question, so thank you to the reader.<\/p>\n<p>I&#8217;m guessing that you have a plating setup already ie: rectifier, anode, tanks, etc.<\/p>\n<p>Use a thin piece of copper sheet and plate out the remaining gold onto the piece of copper at a medium current. For example, if you are plating a 2-inch square set the rectifier on 3 volts and let it run.<\/p>\n<p>Pretend you are plating an item but instead of going for a nice, clean yellow finish you are going to get a crusty brown dirty looking piece of metal. That dirty crusty stuff is gold. It may take hours (gallon or two of solution) or days (100s of gallons) but you will end up with a crusty piece of metal that can then be melted and assayed.<\/p>\n<p>This only makes sense if there is a sufficient amount of gold in the bath. When you consider the time and electricity used, it doesn&#8217;t make sense for half a gram of gold. You will still need to find an environmentally friendly way to dispose of the left over plating solution\/rinse water after you do this.<\/p>\n<p><em>Note: If you come across a piece of crusty metal and don&#8217;t know what it is, you can utilize\u00a0<a href=\"https:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/spectroscopy-elemental-isotope-analysis\/portable-analysis-material-id\/portable-metal-manufacturing-inspection-recycling-solutions\/portable-precious-metals-jewelry-analysis.html\">x-ray fluorescence<\/a>\u00a0technology.\u00a0\u00a0<a href=\"https:\/\/www.thermofisher.com\/order\/catalog\/product\/DXLPRECIOUS\">XRF precious metals analyzers<\/a>\u00a0are fast, simple, nondestructive solutions for gold, precious metals, and alloy analysis. You can measure the content of all gold and precious metals, as well as determine the presence and concentration of other trace, alloying elements, and dangerous heavy elements, which could impact health and the valuation of your pieces.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Editor\u2019s Note: \u00a0We received an inquiry regarding our article,\u00a0How Gold Plating is Done, Step by Step\u00a0by\u00a0Calla Gold, a Santa Barbara jeweler specializing in custom jewelry design and jewelry repair. \u00a0Here&#8217;s her answer: Reader&#8217;s Questions: How do I recover \u00a0microscopic gold from plating solution? Is there much gold left in suspension when one is plating gold<\/p>\n","protected":false},"author":38,"featured_media":8867,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_monsterinsights_skip_tracking":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5],"tags":[],"division":[],"class_list":["post-8868","post","type-post","status-publish","format-standard","has-post-thumbnail","category-precious-metals","entry"],"_selected_authors":[1872],"_selected_reviewers":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How Do I Recover Microscopic Gold from Plating Solution? 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One of the most widely used methods for determining gold content is X-ray fluorescence (XRF) analysis, a non-destructive testing technique that quickly evaluates metal composition. However, rhodium plating\u2014a common surface treatment used on white\u2026","rel":"","context":"In &quot;Metals &amp; Alloys&quot;","block_context":{"text":"Metals &amp; Alloys","link":"https:\/\/admin.acceleratingscience.com\/metals\/metals-and-alloys\/"},"img":{"alt_text":"Banner of a cube symbolizing element number 45 of the periodic table. Rhodium. (Rh)","src":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/07\/iStock-2281505711.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/07\/iStock-2281505711.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/07\/iStock-2281505711.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/07\/iStock-2281505711.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/07\/iStock-2281505711.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/07\/iStock-2281505711.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":13857,"url":"https:\/\/www.thermofisher.com\/blog\/metals\/eight-reasons-jewelers-should-not-use-acid-to-test-jewelry\/","url_meta":{"origin":8868,"position":1},"title":"Eight Reasons Jewelers Should NOT Use Acid to Test Jewelry","author":"Marlene Gasdia-Cochrane","date":"October 16, 2026","format":false,"excerpt":"Introduction Traditional acid testing can provide a useful initial indication of precious metal purity, but authoritative sources recognize its limitations when more precise analysis is needed. The Convention on the Control and Marking of Articles of Precious Metals describes touch acid testing as providing a \u201cgood early indication of fineness\u2026","rel":"","context":"In &quot;Precious Metals&quot;","block_context":{"text":"Precious Metals","link":"https:\/\/admin.acceleratingscience.com\/metals\/precious-metals\/"},"img":{"alt_text":"Jeweller's workshop","src":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/10\/iStock-1062676800_jewelryacid.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/10\/iStock-1062676800_jewelryacid.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/10\/iStock-1062676800_jewelryacid.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/10\/iStock-1062676800_jewelryacid.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/10\/iStock-1062676800_jewelryacid.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/10\/iStock-1062676800_jewelryacid.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":13418,"url":"https:\/\/www.thermofisher.com\/blog\/metals\/buyer-and-seller-beware-how-to-detect-fake-gold-in-current-times\/","url_meta":{"origin":8868,"position":2},"title":"Buyer and Seller Beware: How to Detect Fake Gold in Current Times","author":"Marlene Gasdia-Cochrane","date":"April 7, 2026","format":false,"excerpt":"A Practical Guide for Jewelers and Pawn Shop Owners The rise in gold prices and continued market volatility have made precious metals more attractive\u2014not just to legitimate sellers, but also to increasingly sophisticated counterfeiters. For jewelers, cash-for-gold operators, and pawn shop owners, the ability to accurately verify gold authenticity and\u2026","rel":"","context":"In &quot;General\/Industry&quot;","block_context":{"text":"General\/Industry","link":"https:\/\/admin.acceleratingscience.com\/metals\/general-industry-metals\/"},"img":{"alt_text":"Clasp on a 14k Gold necklace with markings on a black background","src":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/04\/iStock-1133424222_14k-scaled.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/04\/iStock-1133424222_14k-scaled.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/04\/iStock-1133424222_14k-scaled.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/04\/iStock-1133424222_14k-scaled.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/04\/iStock-1133424222_14k-scaled.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/04\/iStock-1133424222_14k-scaled.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":13584,"url":"https:\/\/www.thermofisher.com\/blog\/metals\/why-fall-jewelry-trade-shows-matter-for-holiday-inventory-planning\/","url_meta":{"origin":8868,"position":3},"title":"Why Fall Jewelry Trade Shows Matter for Holiday Inventory Planning","author":"Marlene Gasdia-Cochrane","date":"October 13, 2026","format":false,"excerpt":"Introduction Fall is a critical inventory-planning period for jewelry retailers, wholesalers, designers, and professional buyers. A major trade-only jewelry event taking place October 16\u201319, 2026, in Miami Beach, Florida, is JIS Fall, which gives industry professionals an opportunity to replenish inventory, discover jewelry trends, explore gold analysis technology, and connect\u2026","rel":"","context":"In &quot;General\/Industry&quot;","block_context":{"text":"General\/Industry","link":"https:\/\/admin.acceleratingscience.com\/metals\/general-industry-metals\/"},"img":{"alt_text":"Golden chain hanging on a black frame with bokeh lights and expo blur, matching VIP access, premium presentation, and business event concepts","src":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/10\/iStock-2265657012_goldshow.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/10\/iStock-2265657012_goldshow.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/10\/iStock-2265657012_goldshow.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/10\/iStock-2265657012_goldshow.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/10\/iStock-2265657012_goldshow.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/10\/iStock-2265657012_goldshow.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":10286,"url":"https:\/\/www.thermofisher.com\/blog\/metals\/a-valentines-special-best-metal-elements-for-a-sturdy-piece-of-jewelry\/","url_meta":{"origin":8868,"position":4},"title":"A Valentine\u2019s Special: Best Metal Elements for a Sturdy Piece of Jewelry","author":"Mark Lessard","date":"February 10, 2026","format":false,"excerpt":"A Pleasant Garden article noted that \"from a global perspective, nearly 6 million couples get engaged on February 14th.\"\u00a0It\u2019s no surprise that many of those who \u2018pop the question\u2019 choose to do it on the day known for its message of love and affection. Those who have bought an engagement\u2026","rel":"","context":"In &quot;Precious Metals&quot;","block_context":{"text":"Precious Metals","link":"https:\/\/admin.acceleratingscience.com\/metals\/precious-metals\/"},"img":{"alt_text":"ring in box with Valentine heart decorations","src":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2019\/02\/istock-96917265_valentinejewelry.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2019\/02\/istock-96917265_valentinejewelry.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2019\/02\/istock-96917265_valentinejewelry.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2019\/02\/istock-96917265_valentinejewelry.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":13568,"url":"https:\/\/www.thermofisher.com\/blog\/metals\/how-handheld-xrf-technology-exposed-counterfeit-silver-coins-sold-online\/","url_meta":{"origin":8868,"position":5},"title":"How Handheld XRF Technology Exposed Counterfeit Silver Coins Sold Online","author":"Marlene Gasdia-Cochrane","date":"May 28, 2026","format":false,"excerpt":"Summary Counterfeit silver coins are becoming a growing problem in online marketplaces, putting coin collectors, precious metal investors, pawn shops, and bullion buyers at financial risk. A recent \u00a0NBC Connecticut investigation uncovered fake American Eagle silver bullion coins being sold online at prices far below market value. Although the coins\u2026","rel":"","context":"In &quot;Precious Metals&quot;","block_context":{"text":"Precious Metals","link":"https:\/\/admin.acceleratingscience.com\/metals\/precious-metals\/"},"img":{"alt_text":"Silver coins and silver bullion","src":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/05\/iStock-482324309.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/05\/iStock-482324309.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/05\/iStock-482324309.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/05\/iStock-482324309.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/05\/iStock-482324309.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2026\/05\/iStock-482324309.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/admin.acceleratingscience.com\/metals\/wp-content\/uploads\/sites\/4\/2016\/11\/istock_105435091_goldnecklaces.jpg","_links":{"self":[{"href":"https:\/\/www.thermofisher.com\/blog\/metals\/wp-json\/wp\/v2\/posts\/8868","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.thermofisher.com\/blog\/metals\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thermofisher.com\/blog\/metals\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thermofisher.com\/blog\/metals\/wp-json\/wp\/v2\/users\/38"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thermofisher.com\/blog\/metals\/wp-json\/wp\/v2\/comments?post=8868"}],"version-history":[{"count":0,"href":"https:\/\/www.thermofisher.com\/blog\/metals\/wp-json\/wp\/v2\/posts\/8868\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.thermofisher.com\/blog\/metals\/wp-json\/wp\/v2\/media\/8867"}],"wp:attachment":[{"href":"https:\/\/www.thermofisher.com\/blog\/metals\/wp-json\/wp\/v2\/media?parent=8868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thermofisher.com\/blog\/metals\/wp-json\/wp\/v2\/categories?post=8868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thermofisher.com\/blog\/metals\/wp-json\/wp\/v2\/tags?post=8868"},{"taxonomy":"division","embeddable":true,"href":"https:\/\/www.thermofisher.com\/blog\/metals\/wp-json\/wp\/v2\/division?post=8868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}