硫酸铬 |
Chromium potassium sulfate |
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CAS号: |
15244-38-9 |
分子式: |
CR2(SO4)3·6H2O |
分子量: |
500.27 |
别名: |
水合硫酸铬
硫酸铬(III)
硫酸铬水合物
硫酸铬,水合 |
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试剂货号 |
试剂名称 |
规格 |
包装 |
单价(RMB) |
购买数量 |
购买 |
备注 |
M004994 |
硫酸铬 |
CP |
500g |
48.00 |
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M004995 |
硫酸铬 |
CP |
25kg |
680.00 |
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M004996 |
硫酸铬 |
电镀级 |
1kg |
89.00 |
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M004997 |
硫酸铬 |
AR |
500g |
69.00 |
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M038975 |
硫酸铬 |
AR |
500ml,50% |
145.00 |
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M038976 |
硫酸铬 |
99.999% |
10g |
1007.00 |
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进口 |
绿色粉末或暗绿色片状。本品除六合物外,尚含有多种不同结晶水,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,其无水物则不溶。难溶于醇。
熔点 100 °C (dec.)(lit.)
密度 1.7 g/mL at 25 °C(lit.)
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CP,用于合成:
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外观Appearance green to dark green powder,crystals
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X-射线衍射分析X-Ray Diffraction Conforms to standard
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ICP Assay Confirms chromium component
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Cr 18%-26% (titration with sodium thiosulfate) typically 19%-21%
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SO4 50%-73%(gravimetric with barium chloride)
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typically 55%-58%
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PH 1.0-2.5 (5%, H2O)
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技术指标 电镀级
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Cr2(SO4)3·6H2O,% ≥98.0
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水不溶物Insoluble matter in water,% ≤0.02
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氯化物(Cl)Chloride,% ≤0.01
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铝(Al)Aluminum,% ≤0.05
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铁(Fe)Iron,% ≤0.01
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钙(Ca)Calcium,% ≤0.01
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钠(Na)Sodium,% ≤0.05
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钾(K)Potassium,% ≤0.05
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99.99% :
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外观Appearance green to black powder, crystals
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X-射线衍射分析X-Ray Diffraction Conforms to standard
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纯度Purity ≥99.99% Based on Trace Metals Impurities
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ICP Assay Confirms chromium and sulfur component
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Cr 15% - 25% (titration with sodium thiosulfate)
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三价铬钝化、电镀添加剂;用于制备含铬催化剂,印染工业用作媒染剂,用于玻璃和陶瓷釉彩和腐蚀阻抑剂。
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