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NF B40-673-2 ; NF EN ISO 21078-2:2009-06-01
Determination of boron (III) oxide in refractory products - Part 2: acid extraction method for the determination of boron(III) oxide in binder components
Edition
2009-06-01
NF B40-676 ; NF EN ISO 12676:2003-04-01
Refractory products - Determination of resistance to carbon monoxide
Edition
2003-04-01
NF B42-001-1 ; NF EN 725-1:2007-11-01
Advanced technical ceramics - Methods of test for ceramic powders - Part 1: determination of impurities in alumina
Edition
2007-11-01
NF B42-001-3 ; NF EN 725-3:2007-08-01
Advanced technical ceramics - Methods of test for ceramic powders - Part 3: determination of the oxygen content of non-oxides by thermal extraction with a carrier gas
Edition
2007-08-01
NF B49-329-1 ; NF EN ISO 10058-1:2009-02-01
Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray fluorescence method) - Part 1: apparatus, reagents, dissolution and determination of gravimetric silica
Edition
2009-02-01
NF B49-423-2 ; NF EN ISO 21068-2:2008-10-01
Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon
Edition
2008-10-01
NF B49-424-1 ; NF EN ISO 21079-1:2008-08-01
Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO2 (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents and dissolution
Edition
2008-08-01
NF B49-424-2 ; NF EN ISO 21079-2:2008-08-01
Chemical analysis of refractories containing alumina, zirconia, and silica - Refractories containing 5 % to 45 % of ZrO2 (alternative to the X-ray fluorescence method) - Part 2: Wet chemical analysis
Edition
2008-08-01
NF B49-424-3 ; NF EN ISO 21079-3:2008-08-01
Chemical analysis of refractories containing alumina, zirconia, and silica - Refractories containing 5 % to 45 % of ZrO2 (alternative to the X-ray fluorescence method) - Part 3: flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma emission spectrometry (ICP-AES)
Edition
2008-08-01
NF B49-435-1 ; NF EN ISO 20565-1:2009-03-01
Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) - Part 1: apparatus, reagents, dissolution and determination of gravimetric silica
Edition
2009-03-01