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BS EN ISO 21079-1
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). Apparatus, reagents and dissolution
Edition
2009-04-30
BS EN ISO 21079-2
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). Wet chemical analysis
Edition
2009-04-30
UNE-EN ISO 21587-1
Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents, dissolution and gravimetric silica (ISO 21587-1:2007)
Edition
2008-03-05
UNE-EN 15411
Solid recovered fuels - Methods for the determination of the content of trace elements (As, Ba, Be, Cd, Co, Cr, Cu, Hg, Mo, Mn, Ni, Pb, Sb, Se, Tl, V and Zn)
Edition
2012-05-03
UNE-CEN ISO/TS 24283-1
Geotechnical investigation and testing - Qualification criteria and assessment - Part 1: Qualified technician and qualified operator (ISO/TS 24283-1:2022)
Edition
2022-05-11
UNE-EN ISO 22475-1
Geotechnical investigation and testing - Sampling methods and groundwater measurements - Part 1: Technical principles for the sampling of soil, rock and groundwater (ISO 22475-1:2021)
Edition
2022-06-29
UNE-EN ISO 54321
Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements (ISO 54321:2020) (Endorsed by Asociación Española de Normalización in March of 2021.)
Edition
2021-03-01
UNE-EN ISO 21079-1
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 (ISO 21079-1:2008) (Endorsed by AENOR in June of 2008.)
Edition
2008-06-01
UNE-EN ISO 21079-2
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 (ISO 21079-2:2008) (Endorsed by AENOR in June of 2008.)
Edition
2008-06-01
UNE-EN ISO 21079-3
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 3: Flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma emission spectrometry (ICP -AES) (ISO 21079-3:2008) (Endorsed by AENOR in June of 2008.)
Edition
2008-06-01