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ISO 21079-1:2008

Chemical analysis of refractories containing alumina, zirconia and silica — Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method) — Part 1: Apparatus, reagents and dissolution

Publication date:   Apr 1, 2008

General information

90.93 Standard confirmed   Jun 29, 2022

ISO

ISO/TC 33 Refractories

International Standard

81.080   Refractories | 71.040.40   Chemical analysis

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Scope

ISO 21079-1:2008 specifies methods for the chemical analysis of AZS (alumina, zirconia, and silica) refractory products (containing 5 % to 45 % of ZrO2) and raw materials, using traditional ("wet") methods, inductively coupled plasma atomic emission (ICP-AE) spectrometry and flame atomic absorption (FAA) spectrometry. It covers apparatus, reagents and dissolution methods.
ISO 21079-1:2008 is not applicable to MgO-based refractories.
ISO 21079-1:2008 gives alternatives to the X-ray fluorescence (XRF) method given in ISO 12677.

Life cycle

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PUBLISHED
ISO 21079-1:2008
90.93 Standard confirmed
Jun 29, 2022