ISO 18843:2015 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.
NOTE Variations in the apparatus and other test variables can create significant inter-laboratory differences in results. (See Table A.1.)
Status : PublishedPublication date : 2015-06
Edition : 1Number of pages : 6
Technical Committee:Materials for the production of primary aluminium
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