氧化铋
氧化铋***级分析纯***级化学纯电子级项目指标指标指标硝酸不溶物%≤0.005≤0.01≤0.005***盐(SO4)%≤0.01≤0.05≤0.01氯化物(Cl)%≤0.005≤0.01≤0.005碱金属及碱土金属(以SO4计)%≤0.05≤0.1≤0.05铁(Fe)%≤0.002≤0.005≤0.002氮(N)%≤0.003≤0.05≤0.003铜(Cu)%合格合格合格***(As)%≤0.001≤0.005≤0.001灼灼失重%≤1≤1≤1)