AS/NZS 1050.24:1994

AS/NZS 1050.24:1994 Methods for the analysis of iron and steel - Determination of aluminium content (spectrophotometric method)
standard by Australian/New Zealand Standards, 01/01/1994

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Specifies a spectrophotometric method for the determination of aluminium content in the range of 0.002% to 1.4% aluminium in all types of iron and steel. The method uses a mercury cathode, followed by solvent extraction to separate interfering elements, with alizarin red S to produce a chromogen which is measured at a wavelength of 490 nm.