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Ferronickel - Determination of trace-element content by electrothermal atomic absorption spectrometric method - Part 4: Determination of tin content


Document Number: ISO 11438-4:1993
File Size: 317 kB
Language: English
Provider: ANSI
Shipping: Available for download - Link will be provided in My ComplianceOnline section

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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 tin in the test solution at a wavelength of 286,3 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 tin contents in the range of 1,0 g/t to 10,0 g/t in ferronickel.

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