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亚硝酸盐广泛存在于土壤、食品及天然水中 ,是水体中氮循环的重要中间物。亚硝酸盐可引起急性中毒 ,还可以与仲胺和酰胺等结合成致癌的亚硝胺化合物 ,是造成环境污染的主要原因之一。因此 ,亚硝酸盐的含量是环境监测和食品分析的重要指标。荧光法测定亚硝酸根常用的试剂是 2 ,3
Nitrite is widely found in soil, food and natural water and is an important intermediate of nitrogen circulation in water. Nitrite can cause acute poisoning, can also be combined with secondary amines and amides to carcinogenic nitrosamines compounds, is one of the main causes of environmental pollution. Therefore, nitrite content is an important indicator of environmental monitoring and food analysis. Fluorescence method commonly used nitrite reagent is 2, 3