DS EN 12014-7:1998 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 Describes a continuous flow method (CF-method) for the determination of nitrate content of vegetables and vegetable products having a nitrate content of 900 mg/kg to 5200 mg/kg (calculated as nitrate