畜禽精饲料中氯化物测定

Determination of chloride in beasts and birds feedstuffs

畜禽精饲料的配合成分中氯化物是其中必需组分之一。该文采用氯离子选择性电极测定饲料中的氯化物,方法灵敏、稳定、选择性高。检出限小于5.0 mg/L,标准曲线最佳线性范围5.0 mg/L～350 mg/L;线性相关系数(r)0.999 9,RSD 4%。平均加标回收96.7%～110%。

The chloride is a kind of the nccessary component in feedstuffs . In this paper the chloride electrode is applied to the determination of chloride in the feedstuffs. The detection limit is below 5.0 mg/L. The linear range is 5.0～350 mg/L and the correlate coefficient is 0. 999 9. This experiment results show that the method has a high sensitivity, stability and selectivity.