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ISO 11438-7:1993

$12.35

Ferronickel — Determination of trace-element content by electrothermal atomic absorption spectrometric method — Part 7: Determination of silver content

Published By Publication Date Number of Pages
ISO 1993-11 6
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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 silver in the test solution at a wavelength of 328,1 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 silver contents in the range of 1,0 g/t to 6,0 g/t in ferronickel.

ISO 11438-7:1993
$12.35