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UNE-EN 16173
Sludge, treated biowaste and soil - Digestion of nitric acid soluble fractions of elements (Endorsed by AENOR in October of 2012.)
Edition
2012-10-01
BS EN ISO 54321
Soil, treated biowaste, sludge and waste. Digestion of aqua regia soluble fractions of elements
Edition
2021-02-02
NF X31-413 ; NF EN ISO 54321:2021-01-27
Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements
Edition
2021-01-27
NF P94-510-1 ; NF EN ISO 22475-1:2021-10-20
Geotechnical investigation and testing - Sampling methods and groundwater measurements - Part 1: technical principles for the sampling of soil, rock and groundwater
Edition
2021-10-20
BS EN 12698-1
Chemical analysis of nitride bonded silicon carbide refractories. Chemical methods
Edition
2007-04-30
BS EN ISO 21587-1
Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) - Apparatus, reagents, dissolution and gravimetric silica
Edition
2007-10-31
NF B40-670-1 ; NF EN ISO 21587-1:2007-12-01
Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) - Part 1: apparatus, reagents, dissolution and gravimetric silica
Edition
2007-12-01
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