Sets out a method for determining the amount of time taken for a given quantity of smelter grade alumina to flow by gravity through a precisely constructed standard funnel.RECONFIRMATION NOTICETechnical Committee MN-009 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 9 April 2013.The following are represented on Technical Committee MN-009:Australian Institute of Mining and MetallurgyAustralian Aluminium CouncilMinerals Council of AustraliaRoyal Australian Chemical InstituteTo view or download a copy of the reconfirmation notice please go to the reconfirmation link near the top of this page.