
规格:分析纯、化学纯医药级
分子式:Ni(NO3)2-6H20
性状:绿色结晶,有湖解性,在干爆空气中微风化,相对密度2.05,熔点56.7℃,沸点136.7℃.加热失去四分子结晶水,至100C以上分解为碱式盐,分解为氧化镍。易溶于水,溶于乙醇,微溶于丙酮,水溶液呈酸性,有氧化性。
指标名称 |
规格 |
|
分析纯AR |
化学纯CP |
|
含量 |
≥98.0% |
≥98.0% |
水不溶物 |
≤0.005% |
≤0.01% |
氯化物 |
≤0.001% |
≤0.005% |
硫酸盐 |
≤0.005% |
≤0.01% |
钠
镁 |
≤0.01% |
≤0.02% |
≤0.01% |
≤0.02% |
|
钾 |
≤0.005% |
≤0.01% |
钙 |
≤0.01% |
≤0.02% |
铁 |
≤0.0005% |
≤0.001% |
钴 |
≤0.01% |
≤0.05% |
铜 |
≤0.001% |
≤0.005% |
锌 |
≤0.005% |
≤0.02% |
铅 |
≤0.001% |
≤0.005% |
【用途】用作催化剂、镀镍试剂及陶瓷颜料,用于镍盐制备。 (特殊产品指标可以定做)