ISO-11438-6 Ferronickel - Determination of trace-element content by electrothermal atomic absorption spectrometric method - Part 6: Determination of thallium content

ISO-11438-6 - 1ST EDITION - CURRENT


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The principle of the method specified is dissolution of a test portion in nitric acid, measurement of the absorption of the resonance line energy from the spectrum of thallium in the test solution at a wavelength of 276,8 nm by an atomic absorption spectrometer fitted with a graphite furnace electrothermal atomizer, calibration by the standard additions method described in ISO 11438-1. Applies to thallium contents in the range of 0,3 g/t to 1,0 g/t in ferronickel.

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Document Number

ISO 11438-6:1993

Revision Level

1ST EDITION

Status

Current

Publication Date

Dec. 1, 1993

Committee Number

ISO TC 155/SC 3/WG 7