用于碱性锌锰干电池正极活性材料的电解二氧化锰，其化学成分中的As、Sb、Mo杂质含量为00000005%（05ppm）以下。
Used in the active materials of crown cells is the electrolytic manganese dioxide whose chemical ingredients consist of content of impurity substance less than 0.5 ppm .
碱性锌锰干电池