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OENORM L 1091
Chemical analyses of soils - Determination of mineral nitrogen by extraktion with calcium chloride solution - Nmin method
Edition
2020-08-15
OENORM EN 16913
Ambient air - Standard method for measurement of NO3¯, SO4<(hoch)2>¯, Cl¯, NH4+, Na+, K+, Mg<(hoch)2>+, Ca<(hoch)2>+ in PM2,5 as deposited on filters
Edition
2017-08-15
SN EN 16913
Ambient air - Standard method for measurement of NO₃⁻, SO₄²⁻, Cl⁻, NH₄⁺, Na⁺, K⁺, Mg²⁺, Ca²⁺ in PM2,5 as deposited on filters
Edition
2017-10
ONR CEN/TS 17771
Organic and organo-mineral fertilizers - Determination of the nitrogen content
Edition
2022-10-01
PR NF M60-413 ; PR NF EN ISO 12183
Nuclear fuel technology - Controlled-potential coulometric measurement of plutonium
14/30313910 DC
BS ISO 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
Edition
2014-12-08
24/30489200 DC
BS EN 18103 Inorganic fertilizers. Determination of nutrient polymers nitrogen in the presence of other nitrogenous forms
Edition
2024-06-27
UNE-EN 15604
Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
Edition
2009-10-28
UNE-EN ISO 9463
Nuclear energy - Nuclear fuel technology - Determination of plutonium in nitric acid solutions by spectrophotometry (ISO 9463:2019) (Endorsed by Asociación Española de Normalización in March of 2021.)
Edition
2021-03-01
BS EN 15562
Inorganic fertilizers. Determination of cyanamide nitrogen
Edition
2023-08-23