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OENORM EN 12014-7
Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous Flow method for the determination of nitrate content of vegetables and vegetable products after Cadmium reduction
Edition
1998-11-01
OENORM EN 15219
Water conditioning equipment inside buildings - Nitrate removal devices - Requirements for performance, safety and testing
Edition
2008-03-01
OENORM EN 15476
Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
Edition
2009-04-01
OENORM EN 15558
Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
Edition
2009-05-15
OENORM EN 15559
Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
Edition
2009-05-15
OENORM EN 15560
Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
Edition
2023-11-01
OENORM EN 15561
Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
Edition
2023-11-01
OENORM EN 15604
Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
Edition
2009-05-01
OENORM EN 15750
Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
Edition
2010-03-01
OENORM L 1094-1
Chemical analyses of soils - Extraction of trace elements with salt solutions - Part 1: Extraction with ammonium nitrate solution
Edition
2016-03-15