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ISO 11438-3:1993

Ferronickel -- Determination of trace-element content by electrothermal atomic absorption spectrometric method -- Part 3: Determination of antimony content

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Kehtetu alates 06.11.2015
Tegevusala (ICS grupid)
77.100 Ferrosulamid
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
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 antimony in the test solution at a wavelength of 217,6 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 antimony contents in the range of 1,0 g/t to 5,0 g/t in ferronickel.

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