绿色结晶或粉末。微带乙醇气味。能溶于水及醇
密度 1.798 g/mL at 25 °C(lit.)
水溶解性 182 g/L (20 ºC)
GB/T 15355-94
项目Item 分析纯 化学纯
(AR) (CP)
含量(C4H6NiO44H2O)Assay,% ≥ 99.0 98.0
水不溶物Insoluble matter in water,% ≤ 0.005 0.02
氯化物(Cl)Chloride,% ≤ 0.001 0.005
硫酸盐(SO4)Sulfate,% ≤ 0.005 0.01
硝酸盐(NO3)Nitrate,% ≤ 0.005 0.01
铁(Fe)Iron,% ≤ 0.0005 0.005
钴(Co)Cobalt,% ≤ 0.01 0.05
锌(Zn)Zinc,% ≤ 0.005 0.02
重金属(以Pb计)Heavy metals,% ≤ 0.002 0.01
硫化铵不沉淀物(以硫酸盐计)Substances not
precipitated by ammonium sulfide,% ≤ 0.1 0.5
99.9% metals basis:
外观Appearance Green or Blue-Green Powder and/or Chunks
X-射线衍射X-Ray Diffraction Conforms to Structure
纯度Purity ≥99.9% Based on Trace Metals Impurities
镍Gravimetric Analysis With Dimethylglyoxime
(% Ni) 22% - 25%
ICP Major Analysis Confirms Nickel component
总痕量金属杂质total metallic impurities ≤1000ppm by ICP Atomic emission
主要用作催化剂,也用作制取油漆涂料的干燥剂、印染剂,玻璃钢固化促进剂和隐显墨水等。
密封保存