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ISO 21079-2:2008

Действует
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 2: Wet chemical analysis — 24 стр.
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BS EN ISO 21068-3:2008
Действует
Chemical analysis of silicon-carbide-containing raw materials and refractory products. Determination of nitrogen, oxygen and metallic and oxidic constituents — 46 стр.
BS EN ISO 1927-3:2012
Действует
Monolithic (unshaped) refractory products. Characterization as received — 18 стр.
BS EN ISO 21068-1:2008
Действует
Chemical analysis of silicon-carbide-containing raw materials and refractory products. General information and sample preparation — 18 стр.
ÖNORM EN ISO 1927-3:2013-05
Действует
Monolithic (unshaped) refractory products - Part 3: Characterization as received (ISO 1927-3:2012)
ÖNORM EN ISO 21068-3:2009-02
Действует
Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008)