质量指标SpecificationGB1903.35-2018BP2013含量(C4H6O4Zn·2H2O),w/%Content (C4H6O4Zn·2H2O),w/%99.0-101.099.0-101.0pH值(10%水溶液,25℃)pH value (10% solution ,25℃)5.8-7.05.8-7.0氯化物(Cl),w/% ≤Chlorides (Cl),w/% ≤0.0050.005盐 (SO4),w/% ≤Sulfates (SO4),w/% ≤0.010.01铝(Al),w/% ≤Aluminum (Al), w/% ≤————0.0005砷(As),w/% ≤Arsenic(As),w/% ≤0.00020.0002镉(Cd),w/% ≤Cadmium(Cd), w/% ≤0.00020.0002铜(Cu),w/% ≤Copper(Cu) ,w/% ≤————0.005铁(Fe),w/% ≤Iron(Fe), w% ≤————0.005铅(Pb),w/% ≤Lead (Pb),w% ≤0.00040.001干燥减重,w/% ≤Loss On Drying, w/% ≤19.0————还原性物质Reducing Substance通过试验Pass Test