商品名:硫酸铬(六水)
别 名:硫酸铬(六水)
Chromium(III) sulfate hexahydrate,Chromic sulfate
英文名:Chromium(III) sulfate hexahydrate,Chromic sulfate
产 地:湖南
Cas号:10101-53-8
分子结构:
分子式:Cr2(SO4)3•6H2O
分子量:500.2700
备注:
性状:绿色粉末或深绿色片状结晶。除六水合物外,尚有无水物和多种含不同结晶水的化合物,最多可达18分子结晶水。色泽由绿到紫不等。含结晶水的可溶于水,无水物则不溶。最小致死量(大鼠,静脉)144mg/kg。有腐蚀性。
质量标准:CP,用于合成:
外观Appearance green to dark green powder,crystals
X-射线衍射分析X-Ray Diffraction Conforms to standard
ICP Assay Confirms chromium component
Cr 18%-26% (titration with sodium thiosulfate) typically 19%-21%
SO4 50%-73%(gravimetric with barium chloride)
typically 55%-58%
PH 1.0-2.5 (5%, H2O)
技术指标 电镀级
Cr2(SO4)3·6H2O,% ≥98.0
水不溶物Insoluble matter in water,% ≤0.02
氯化物(Cl)Chloride,% ≤0.01
铝(Al)Aluminum,% ≤0.05
铁(Fe)Iron,% ≤0.01
钙(Ca)Calcium,% ≤0.01
钠(Na)Sodium,% ≤0.05
钾(K)Potassium,% ≤0.05
99.99% metals basis:
外观Appearance green to black powder, crystals
X-射线衍射分析X-Ray Diffraction Conforms to standard
纯度Purity ≥99.99% Based on Trace Metals Impurities
ICP Assay Confirms chromium and sulfur component
Cr 15% - 25% (titration with sodium thiosulfate)
痕量金属分析total metallic impurities ≤200ppm by ICP Atomic emission
存储:密封保存。
用途:分析试剂。媒染剂。玻璃和陶瓷彩釉制造。
联合编码:
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Safety:
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