ISO 10478:1994 Preview
Petroleum products -- Determination of aluminium and silicon in fuel oils -- Inductively coupled plasma emission and atomic absorption spectroscopy methods
This standard was last reviewed and confirmed in 2012. 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.
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