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ISO 7530-8:1992

Nickel alloys — Flame atomic absorption spectrometric analysis — Part 8: Determination of silicon content

Publication date:   Sep 3, 1992

General information

90.93 Standard confirmed   Jun 5, 2020

ISO

ISO/TC 155 Nickel and nickel alloys

International Standard

77.120.40   Nickel, chromium and their alloys

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Scope

Silicon content can be determined in the range of 0,2 % (m/m) to 1 % (m/m). The principle is dissolution of a test portion in acid, aspiration of the test solution into a nitrous oxide-acetylene flame of an atomic absorption spectrometer, measurement of the absorbance of the resonance line energy from the spectrum of silicon and comparison with that of calibration solutions at 251,6 nm.

Life cycle

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PUBLISHED
ISO 7530-8:1992
90.93 Standard confirmed
Jun 5, 2020