Standard

ISO 11438-7:1993 en

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

  • This norm is withdrawn since 17-11-2015

31,57

About norm

Status Withdrawn
Number of pages 3
Committee Metalen algemeen
Published on 25-11-1993
Language English
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.

Details

ICS-code 77.100
Dutch title Ferronickel - Determination of trace-element content by electrothermal atomic absorption spectrometric method - Part 7: Determination of silver content
English title Ferronickel - Determination of trace-element content by electrothermal atomic absorption spectrometric method - Part 7: Determination of silver content

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