本欧洲标准规定了用于确定婴儿和婴儿含植物的食物的酶法[°1]，°2]。该方法适用于50 mg/kg至200 mg/kg范围内的硝酸盐含量。 °1] c是物质浓度°2]这些试剂包括在市售的试剂盒中。如果使用这些套件，请按照制造商的说明进行操作

This European Standard specifies an enzymatic method for the determination of vegetable-containing food for babies and infants °1], °2]. This method is applicable to nitrate contents in the range of 50 mg/kg to 200 mg/kg. °1] c is the substance concentration °2] These reagents are included in commercially available test kits. If these kits are used, follow the manufacturer's instructions.