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- Metallurgical_assay abstract "A metallurgical assay is a compositional analysis of an ore, metal, or alloy.Some assay methods are suitable for raw materials; others are more appropriate for finished goods. Raw precious metals (bullion) are assayed by an assay office. Silver is assayed by titration, gold by cupellation and platinum by inductively coupled plasma optical emission spectrometry (ICP OES).Precious metal items of art or jewelry are frequently hallmarked (depending upon the requirements of the laws of either the place of manufacture or the place of import). Where required to be hallmarked, semi-finished precious metal items of art or jewelry pass through the official testing channels where they are analyzed or assayed for precious metal content. While different nations permit a variety of legally acceptable finenesses, the assayer is actually testing to determine that the fineness of the product conforms with the statement or claim of fineness that the maker has claimed (usually by stamping a number such as 750 for 18k gold) on the item. In the past the assay was conducted by using the touchstone method but currently (most often) it is done using X-ray fluorescence (XRF). XRF is used because this method is more exacting than the touchstone test. The most exact method of assay is known as fire assay or cupellation. This method is better suited for the assay of bullion and gold stocks rather than works of art or jewelry because it is a completely destructive method.".
- Metallurgical_assay thumbnail Tombstone_courthouse_assay_lab.jpg?width=300.
- Metallurgical_assay wikiPageExternalLink E1335.htm.
- Metallurgical_assay wikiPageID "23008816".
- Metallurgical_assay wikiPageLength "12433".
- Metallurgical_assay wikiPageOutDegree "38".
- Metallurgical_assay wikiPageRevisionID "674224270".
- Metallurgical_assay wikiPageWikiLink Alloy.
- Metallurgical_assay wikiPageWikiLink Assay_office.
- Metallurgical_assay wikiPageWikiLink Brass.
- Metallurgical_assay wikiPageWikiLink Category:Coins.
- Metallurgical_assay wikiPageWikiLink Category:Gold.
- Metallurgical_assay wikiPageWikiLink Category:Laboratory_techniques.
- Metallurgical_assay wikiPageWikiLink Category:Metallurgy.
- Metallurgical_assay wikiPageWikiLink Category:Silver.
- Metallurgical_assay wikiPageWikiLink Coin.
- Metallurgical_assay wikiPageWikiLink Colored_gold.
- Metallurgical_assay wikiPageWikiLink Cupellation.
- Metallurgical_assay wikiPageWikiLink Cupro-nickel.
- Metallurgical_assay wikiPageWikiLink Cupronickel.
- Metallurgical_assay wikiPageWikiLink De_re_metallica.
- Metallurgical_assay wikiPageWikiLink Gold.
- Metallurgical_assay wikiPageWikiLink Hallmark.
- Metallurgical_assay wikiPageWikiLink Inductively_coupled_plasma_atomic_emission_spectroscopy.
- Metallurgical_assay wikiPageWikiLink Metal.
- Metallurgical_assay wikiPageWikiLink Mint_(coin).
- Metallurgical_assay wikiPageWikiLink Ore.
- Metallurgical_assay wikiPageWikiLink Perth_Mint.
- Metallurgical_assay wikiPageWikiLink Precious_metal.
- Metallurgical_assay wikiPageWikiLink Radiolarian_chert.
- Metallurgical_assay wikiPageWikiLink Radiolarite.
- Metallurgical_assay wikiPageWikiLink Silver.
- Metallurgical_assay wikiPageWikiLink Slate.
- Metallurgical_assay wikiPageWikiLink Streak_(mineralogy).
- Metallurgical_assay wikiPageWikiLink Titration.
- Metallurgical_assay wikiPageWikiLink Touchstone_(assaying_tool).
- Metallurgical_assay wikiPageWikiLink Trial_of_the_Pyx.
- Metallurgical_assay wikiPageWikiLink White_gold.
- Metallurgical_assay wikiPageWikiLink X-ray_fluorescence.
- Metallurgical_assay wikiPageWikiLink File:Assayer,_1916.jpg.
- Metallurgical_assay wikiPageWikiLink File:Colorado_Assay_Office,_from_Robert_N._Dennis_collection_of_stereoscopic_views.jpg.
- Metallurgical_assay wikiPageWikiLink File:Klondike_Gold_Rush_Nat_Hist_Park_Seattle_seal_03A.jpg.
- Metallurgical_assay wikiPageWikiLink File:Tombstone_courthouse_assay_lab.jpg.
- Metallurgical_assay wikiPageWikiLinkText "Assay Master".
- Metallurgical_assay wikiPageWikiLinkText "Assayer".
- Metallurgical_assay wikiPageWikiLinkText "Metallurgical Assay".
- Metallurgical_assay wikiPageWikiLinkText "Metallurgical assay".
- Metallurgical_assay wikiPageWikiLinkText "assay master".
- Metallurgical_assay wikiPageWikiLinkText "assay".
- Metallurgical_assay wikiPageWikiLinkText "assayed".
- Metallurgical_assay wikiPageWikiLinkText "assayer".
- Metallurgical_assay wikiPageWikiLinkText "assayer's".
- Metallurgical_assay wikiPageWikiLinkText "assayership".
- Metallurgical_assay wikiPageWikiLinkText "assayer’s".
- Metallurgical_assay wikiPageWikiLinkText "assaying".
- Metallurgical_assay wikiPageWikiLinkText "assays".
- Metallurgical_assay wikiPageWikiLinkText "chemical assay".
- Metallurgical_assay wikiPageWikiLinkText "compositional analysis".
- Metallurgical_assay wikiPageWikiLinkText "fire assay".
- Metallurgical_assay wikiPageWikiLinkText "metallurgical assay".
- Metallurgical_assay wikiPageWikiLinkText "mineral assay".
- Metallurgical_assay wikiPageWikiLinkText "tests".
- Metallurgical_assay hasPhotoCollection Metallurgical_assay.
- Metallurgical_assay wikiPageUsesTemplate Template:Refimprove.
- Metallurgical_assay wikiPageUsesTemplate Template:Reflist.
- Metallurgical_assay subject Category:Coins.
- Metallurgical_assay subject Category:Gold.
- Metallurgical_assay subject Category:Laboratory_techniques.
- Metallurgical_assay subject Category:Metallurgy.
- Metallurgical_assay subject Category:Silver.
- Metallurgical_assay hypernym Analysis.
- Metallurgical_assay type Article.
- Metallurgical_assay type Work.
- Metallurgical_assay type Article.
- Metallurgical_assay type Element.
- Metallurgical_assay type Laboratory.
- Metallurgical_assay type Technique.
- Metallurgical_assay comment "A metallurgical assay is a compositional analysis of an ore, metal, or alloy.Some assay methods are suitable for raw materials; others are more appropriate for finished goods. Raw precious metals (bullion) are assayed by an assay office.".
- Metallurgical_assay label "Metallurgical assay".
- Metallurgical_assay sameAs Assaig_metal·lúrgic.
- Metallurgical_assay sameAs m.064pjbg.
- Metallurgical_assay sameAs Q6822932.
- Metallurgical_assay sameAs Q6822932.
- Metallurgical_assay wasDerivedFrom Metallurgical_assay?oldid=674224270.
- Metallurgical_assay depiction Tombstone_courthouse_assay_lab.jpg.
- Metallurgical_assay isPrimaryTopicOf Metallurgical_assay.