编辑: 匕趟臃39 | 2019-07-04 |
20 14.0 32.0 19.2 8.0 亚铁(Fe2+)的质量分数,0.15 0.10 0.15 0.10 不溶物的质量分数,1.0 0.50 1.0 0.50 游离酸(以HCl计)的质量分数,0.80 0.40 0.80 0.40 密度(20℃),g/cm3 ≥ ―― ―― 1.4 ―― 1.4 锌(Zn)的质量分数,0.0005 0.05 砷(As)的质量分数,0.0002 0.0005 铅(Pb)的质量分数,0.0005 0.002 汞(Hg)的质量分数,0.00001 0.00005 镉(Cd)的质量分数........