The determination of nitrate content in foods by deoxidization with cadmium is improved. The effecting factors on deoxidization efficiency of cadmium column are studied.
对镉还原测定食品中硝酸盐的方法进行了改进，研究了影响镉柱还原效率的因素。
By the addition of an excess of silver nitrate solution and the determination of surplus silver ions with AAS, the chlorine content is thus determined indirectly.
采用加入过量的硝酸银溶液，用原子吸收分光光度法测量剩余的银离子，间接测量氯含量。
By the addition of an excess of silver nitrate solution and the determination of surplus silver ions with AAS, the chlorine content is thus determined indirectly.
采用加入过量的硝酸银溶液，用原子吸收分光光度法测量剩余的银离子，间接测量氯含量。
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