公告:
2018-06-11点击量:2092
硫酸镍:为蓝色四方结晶或绿色单斜结晶。易溶于水,微溶于乙醇、甲醇,其水溶液呈酸性,微溶于酸、氨水。主要用于电镀工业,是电镀镍、化学镍和电池用镍的主要镍盐,也是金属镍离子的来源,能在电镀过程中,离解镍离子和硫酸根离子。
技术指标
项目 | 指标(%) | ||
产品特性 | 典型值 | 镀镍 | 蓄电池 |
Ni(%) | ≥22 | ≥22.1 | ≥22 |
Co(%) | ≤0.002 | ≤0.05 | ≤0.4 |
Zn(%) | ≤0.0005 | ≤0.0005 | ≤0.0005 |
Cd(%) | ≤0.0005 | ≤0.0002 | ≤0.0002 |
Fe(%) | ≤0.0005 | ≤0.0005 | ≤0.0005 |
Mn(%) | ≤0.0005 | ≤0.001 | ≤0.001 |
Pb(%) | ≤0.0005 | ≤0.001 | ≤0.001 |
Mg(%) | ≤0.003 | ≤0.005 | ≤0.005 |
Cu(%) | ≤0.0005 | ≤0.0005 | ≤0.0005 |
Cr(%) | ≤0.001 | ≤0.0005 | |
Ca(%) | ≤0.003 | ≤0.005 | ≤0.005 |
Na(%) | ≤0.2 | ≤0.01 | ≤0.01 |
NO3-(%) | ≤0.01 | ≤0.01 | ≤0.01 |
Cl-(%) | ≤0.01 | ≤0.01 | ≤0.01 |
水不溶物(%) | ≤0.03 | ≤0.005 | ≤0.005 |