This standard specifies the determination method of nitrite and nitrate in food. This standard applies to the determination of nitrite and nitrate in food. The detection limits of nitrite and nitrate in ion chromatography were 0.4mg/kg and 0.8mg/kg respectively; the detection limits of nitrite and nitrate in spectrophotometry were 1mg/kg and 1.4mg/kg respectively.
GB/T 5009.33-2008 history
2017GB 5009.33-2016 Determination of Nitrite and Nitrate in Food Safety National Standards
2010GB 5009.33-2010 National food safety standard Determination of nitrite and nitrate in foods
1996GB/T 5009.33-1996 Determination method of nitrite and nitrate in food
1994GB/T 15401-1994 Fruits,vegetables and derived products--Determination of nitrite and nitrate content
GB/T 5009.33-2008 Determination of nitrite and nitrate in foods was changed to GB 5009.33-2010 National food safety standard Determination of nitrite and nitrate in foods.