This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
The principle of the method specified is heating a weighed quantity of homogenized sample in a clean platinum basin, removing the combustible material by burning, finally removing the carbon by heating, fusing the residue with a dilithium tetraborate/lithium fluoride flux, digesting the fused mixture in a solution of tartaric acid and hydrochloric acid, dilution to volume with water, measuring the solution by ICPES or AAS. The method is applicable for concentrations between 5 mg/kg and 150 mg/kg for aluminium and 10 mg/kg and 250 mg/kg for silicon.
Status : PublishedPublication date : 1994-08
Edition : 1Number of pages : 7
Technical Committee:Petroleum and related products, fuels and lubricants from natural or synthetic sources
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