分子量:262.85
性质:绿色颗粒结晶。主要用于电镀、化学、催化剂等。
质量标准:
含量(以镍计)≥22%
钠≤`````````````0.01%
钙≤`````````````0.001%
镁≤`````````````0.001%
铁≤`````````````0.0005%
钴≤`````````````0.0001%
铜≤`````````````0.0005%
锌≤`````````````0.0005%
镉≤`````````````0.0005%
铬≤`````````````0.0005%
铅≤`````````````0.0005%
硝酸盐≤`````````0.001%
水不溶物≤```````0.05%
含6分子结晶水的α型为蓝绿色四方结晶,在533℃转变为β型绿色透明结晶。40℃时稳定,室温时成为蓝色不透明晶体。含7份结晶水的为绿色透明结晶。有甜涩味。稍有风化性。约在100℃时失去5分子结晶水成为一水物,在280℃时成黄绿色无水物。溶于1.4份水,微溶于乙醇、甲醇,其水溶液呈酸性,pH约4.5。相对密度2.031、1.98(7水物)。熔点31.5℃。
本公司经营硫酸镍,质量,欢迎咨询洽谈。