C77 安全卫生技能考核 标准查询与下载

prEN 896-1992 生活用水用的氢氧化钠

Sodium hydroxide used for water intended for human consumption

prEN 901-1992 生活用水用的次氯酸钠

Sodium hypochlorite used for water intended for human consumption

prEN 900-1992 生活用水用的次氯酸钙

Calcium hypochlorite used for water intended for human consumption

prEN 899-1992 生活用水用的硫酸

Sulfuric acid used for water intended for human consumption

prEN 898-1992 生活用水用的碳酸氢钠

Sodium hydrogen carbonate used for water intended for human consumption

prEN 897-1992 生活用水用的碳酸钠

Sodium carbonate used for water intended for human consumption

prEN 902-1992 生活用水用的过氧化氢

Hydrogen peroxide used for water intended for human consumption

prEN 885-1992 生活用水用的聚铝氢氧化氯化硅酸盐

Polyaluminium hydroxidechloridesilicate, used for water intended for human consumption

prEN 884-1992 生活用水用的特殊品位聚铝氢氧化氯化物和氢氧化氯化硫酸盐

Polyaluminium hydroxidechloride and hydroxidechloridesulfate, special grade, used for water intended for human consumption

prEN 883-1992 生活用水用的聚铝氢氧氯化物和氢氧氯化物硫酸盐

Polyaluminium hydroxidechloride and hydroxidechloridesulfate used for water intended for human consumption

prEN 882-1992 生活用水用的铝酸钠

Sodium aluminate, used for water intended for human consumption

prEN 880-1992 生活用水处理用特殊品位硫酸铝

Aluminium sulfate, special grade, used for treatment of water intended for human consumption

prEN 879-1992 生活用水处理用的低铁品位硫酸铝

Aluminium sulfate, low-iron grade, used for treatment of water intended for human consumption

prEN 878-1992 生活用水处理用的无铁品位硫酸铝

Aluminium sulfate, iron-free grade, used for water intended for human consumption

prEN 891-1992 生活用水用的氯化硫酸铁(Ⅲ)

Iron(III) chloride sulfate used for water intended for human consumption

prEN 890-1992 生活用水用的硫酸铁(Ⅲ)

Iron(III) sulfate used for water intended for human consumption

prEN 889-1992 生活用水用的硫酸铁(Ⅱ)

Iron(II) sulfate used for water intended for human consumption

prEN 888-1992 生活用水用的氯化铁(III)

Iron(III) chloride used for water intended for human consumption

prEN 887-1992 生活用水用的硫酸铝铁

Aluminium iron-sulfate, used for water intended for human consumption

prEN 886-1992 生活用水用的聚铝氢氧化硫酸盐硅酸盐

Polyaluminium hydroxidesulfatesilicate, used for water intended for human consumption