AR

项目Item                                                                       分析纯   
                                                                                     (AR)    
含量(以Zn计)Assay,%                                                     ≥ 57.5   
硝酸盐(NO3)Nitrate,%                                                    ≤ 0.003  
铁(Fe)Iron,%                                                                 ≤ 0.002  
砷(As)Arsenic,%                                                            ≤ 0.0003 
重金属(以Pb计)Heavy metals,%                                       ≤ 0.005  
碱金属与碱土金属Alkali and alkali erath metals,%              ≤ 0.3           
硫酸不溶物Insoluble matters in sulfuricacid,%                   ≤ 0.01   
碱度Alkalinity,%                                                             ≤ 0.05   
氯化物(Cl)Chloride,%                                                      ≤ 0.002  
硫酸盐(SO4)Sulfate,%                                                     ≤ 0.01