碘化銨 規(guī)格:98.0% 產(chǎn)地:美/德 包裝:50kg/桶 價(jià)格:260元/公斤

Cas號(hào)12027-06-4

分子式H4IN

分子量144.94

性狀白色結(jié)晶。無(wú)氣味，易潮解，露光和在空氣中易析出碘。易溶于水、乙醇、油和甲醇，微溶于醚。

質(zhì)量標(biāo)準(zhǔn)

Q/(HG)SJ 694-95

項(xiàng)目Item 分析純化學(xué)純

(AR) (CP)

含量(NH4I)Assay,% ≥99.0 98.0

水溶液反應(yīng)Solution reaction 合格合格

澄清度試驗(yàn)Clarity合格合格

水不溶物Insoluble matter in water,% ≤0.005 0.01

灼燒殘?jiān)?font face="Times New Roman">(以禁發(fā) 禁發(fā) 硫酸鹽計(jì))Ignition residue,% ≤0.005 0.02

氯化物(Cl)Chloride,% ≤0.01 0.02

碘酸鹽及碘(以IO3計(jì))Iodate and ioldide,% ≤0.003 0.01

鐵(Fe)Iron,% ≤0.0001 0.0003

項(xiàng)目名稱Item ACS Grade

含量Assay ≥99.0%

不溶物Insoluble matter ≤0.005%

灼燒殘?jiān)?font face="Times New Roman">Residue after ignition ≤0.05%

氯化物和溴化物(以Cl計(jì))Chloride and Bromide(as Cl) ≤0.005%

磷酸鹽(PO4)Phosphate ≤0.001%

禁發(fā) 禁發(fā) 硫酸鹽(SO4)Sulfate ≤0.05%

鋇(Ba)Barium(Ba) ≤0.002%

重金屬(以Pb計(jì))Heavy metals(as Pb) ≤0.001%

鐵(Fe)Iron(Fe) ≤5ppm

99.999% metals basis：

外觀Appearance 白色至淡黃色結(jié)晶粉末

X-射線衍射分析X-Ray Diffraction Conforms to Structure

紅外光譜鑒別Infrared spectrometry Conforms to Structure

純度Purity ≥99.999% Based On Trace Metals Analysis

碘I 86.2%-88.9% (titration with silver nitrate)

痕量金屬分析Trace Metal Analysis ≤20ppm by ICP Atomic emission

貯存對(duì)光敏感，易吸潮，避光保存

用途制造碘化物，照相。