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NF V04-172-1 ; NF EN ISO 14673-1:2004-09-01
Milk and milk products - Determination of nitrate and nitrite contents - Part 1: method using cadmium reduction and spectrometry
Edition
2004-09-01
NF V04-172-2 ; NF EN ISO 14673-2:2004-09-01
Milk and milk products - Determination of nitrate and nitrite contents - Part 2: method using segmented flow analysis (Routine method)
Edition
2004-09-01
NF V04-172-3 ; NF EN ISO 14673-3:2004-09-01
Milk and milk products - Determination of nitrate and nitrite contents - Part 3: method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
Edition
2004-09-01
NF V04-332 ; NF EN ISO 20541:2008-11-01
Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction
Edition
2008-11-01
NF V05-121
Fruit, vegetables and derived products. Determination of nitrites and nitrates
Edition
1979-03-01
NF V37-039 ; NF ISO 15517:2003-12-01
Tobacco - Determination of nitrate content - Continuous-flow analysis method
Edition
2003-12-01
NF V37-039/A1 ; NF ISO 15517/A1:2012-08-01
Tobacco - Determination of nitrate content - Continuous-flow analysis method
Edition
2012-08-01
NF V46-204 ; NF ISO 7158:2024-03-06
Meat and meat products - Determination of nitrite and nitrate content - Ion chromatography method
Edition
2024-03-06
XP X31-080 ; XP CEN/TS 16177:2012-03-01
Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite
Edition
2012-03-01
NF X31-423-2 ; NF ISO 14256-2:2007-03-01
Soil quality - Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution - Part 2: automated method with segmented flow analysis
Edition
2007-03-01