碘化铵 规格:98.0% 产地:美/德 包装:50kg/桶 价格:260元/公斤
Cas号12027-06-4
分子式H4IN
分子量144.94
性状白色结晶。无气味,易潮解,露光和在空气中易析出碘。易溶于水、乙醇、油和甲醇,微溶于醚。
质量标准
Q/(HG)SJ 694-95
项目Item 分析纯化学纯
(AR) (CP)
含量(NH4I)Assay,% ≥99.0 98.0
水溶液反应Solution reaction 合格合格
澄清度试验Clarity合格合格
水不溶物Insoluble matter in water,% ≤0.005 0.01
灼烧残渣(以禁发 禁发 硫酸盐计)Ignition residue,% ≤0.005 0.02
氯化物(Cl)Chloride,% ≤0.01 0.02
碘酸盐及碘(以IO3计)Iodate and ioldide,% ≤0.003 0.01
铁(Fe)Iron,% ≤0.0001 0.0003
项目名称Item ACS Grade
含量Assay ≥99.0%
不溶物Insoluble matter ≤0.005%
灼烧残渣Residue after ignition ≤0.05%
氯化物和溴化物(以Cl计)Chloride and Bromide(as Cl) ≤0.005%
磷酸盐(PO4)Phosphate ≤0.001%
禁发 禁发 硫酸盐(SO4)Sulfate ≤0.05%
钡(Ba)Barium(Ba) ≤0.002%
重金属(以Pb计)Heavy metals(as Pb) ≤0.001%
铁(Fe)Iron(Fe) ≤5ppm
99.999% metals basis:
外观Appearance 白色至淡黄色结晶粉末
X-射线衍射分析X-Ray Diffraction Conforms to Structure
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity ≥99.999% Based On Trace Metals Analysis
碘I 86.2%-88.9% (titration with silver nitrate)
痕量金属分析Trace Metal Analysis ≤20ppm by ICP Atomic emission
贮存对光敏感,易吸潮,避光保存
用途制造碘化物,照相。