Methods:Determination of serum zinc with 5 Br PADAP in the presence of surfactant was conducted.

• 方法 :在表面活性剂存在下 ,用 2 - (5 -溴 - 2 -吡啶偶氮 ) - 5 -二乙氨基酚 (5 - Br- PADAP)作显色剂双试剂两点终点法测定血清锌。