Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
Edition 1993-05-01

Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007)
Edition 2009-06

Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007/Cor 1:2010); Corrigendum AC
Edition 2012-06

Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
Edition 1997

Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004)
Edition 2004-04

Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analyses (Routine method) (ISO 14673-2:2004)
Edition 2004-04

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) (ISO 14673-3:2004)
Edition 2004-04

Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
Edition 1997

Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations; Amendment A1
Edition 1999-11