No passwords, no registration, no paywalls, no popups, no AI

As an Amazon Associate & eBay Partner we earn from affil links

finishing.com -- The Home Page of the Finishing Industry

Search our quarter-million Q&As

Home of the finishing HOTLINE since 1989

-----

Loss in aquaregia process due to lux-105 progold alloy

hi,I'm bhupesh mulik,working as refining officer in jewellery company.I refined 50.11gm 18k white gold (using progold lux-150 alloy).my expected pure gold was 37.77gm but I got 36.04gm gold by aqua regia process.so I'm getting approx. 2.5% loss on each batch.I had problem due to alloy only in 18k white gold.can you tell me why this is happening & where is my gold? (in progold lux-105 alloy, silicon is contained.)

Bhupesh Mulik
refining officer - India
August 9, 2009

Sorry! Finishing.com is temporarily Read-Only.
Ted Mooney is retiring but I have several offers to take it over.
We're working hard to make sure we find it the best new home.

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: