锌标准溶液 1000mg/L(溶剂:1%盐酸),500mg/L(溶剂:1%盐酸),100ug/ml(溶剂:1%HNO3),2.0mg/L(分析标准试剂),1000μg/ml(溶剂:1mol/L HNO3),1000ug/ml(溶剂: 1 mol/L HNO3),0.05mol/L(溶剂:1%盐酸)