AS 3515.1-2005

RECONFIRMATION NOTICETechnical Committee CH-010 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 1 November 2016.The following are represented on Technical Committee CH-010:Bureau of Steel Manufacturers of AustraliaInternational Copper Association AustraliaInternational Precious Metals InstituteNational Association of Testing Authorities Australia

This Standard sets out gravimetric procedures for the determination of gold content in the range 0.2% to 30% in gold and gold bearing alloys with, <2% nickel, <0.05% rhodium, <0.05% tungsten and (0.5% tin. Platinum (10% and palladium (3%.Two methods of gold determination are specified: the first method is used when the total precious metal content is less than 40% and the second method is used when the total precious metal content is 40% or greater.A preliminary assay may first be performed to determine the gold, silver and base metal present.The presence of the following elements may cause difficulties in obtaining a homogeneous sample: iron, lead, antimony, nickel or arsenic.

First published as AS 3515.1-1996.Second edition 2005.Reconfirmed 2016. Originated as AS 3515.1-1996. Second edition 2005.