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 1998-08-01

Milk and milk products - Determination of nitrate and nitrite contents - Part 1: method using cadmium reduction and spectrometry
Edition 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

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

Fruit, vegetables and derived products. Determination of nitrites and nitrates
Edition 1979-03-01

Meat and meat products - Determination of nitrite and nitrate content - Ion chromatography method
Edition 2024-03-06

Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite
Edition 2012-03-01

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

Methods for chemical analysis of cheese. Determination of nitrate and nitrite contents. Cadmium reduction and photometry method
Edition 1985-08-30

Methods for the analysis of aluminium and aluminium alloys. Determination of manganese (volumetric: arsenite/nitrite method)
Edition 1957-09-12