硫酸鉻 |
Chromium potassium sulfate |
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CAS號: |
15244-38-9 |
分子式: |
CR2(SO4)3·6H2O |
分子量: |
500.27 |
別名: |
水合硫酸鉻
硫酸鉻(III)
硫酸鉻水合物
硫酸鉻,水合 |
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試劑貨號 |
試劑名稱 |
規格 |
包裝 |
單價(RMB) |
購買數量 |
購買 |
備注 |
M004994 |
硫酸鉻 |
CP |
500g |
48.00 |
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M004995 |
硫酸鉻 |
CP |
25kg |
680.00 |
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M004996 |
硫酸鉻 |
電鍍級 |
1kg |
89.00 |
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M004997 |
硫酸鉻 |
AR |
500g |
69.00 |
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M038975 |
硫酸鉻 |
AR |
500ml,50% |
145.00 |
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M038976 |
硫酸鉻 |
99.999% |
10g |
1007.00 |
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進口 |
綠色粉末或暗綠色片狀。本品除六合物外,尚含有多種不同結晶水,最多可達18分子結晶水。色澤由綠到紫不等含結晶水的可溶于水,其無水物則不溶。難溶于醇。
熔點 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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外觀Appearance green to dark green powder,crystals
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X-射線衍射分析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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技術指標 電鍍級
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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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鋁(Al)Aluminum,% ≤0.05
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鐵(Fe)Iron,% ≤0.01
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鈣(Ca)Calcium,% ≤0.01
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鈉(Na)Sodium,% ≤0.05
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鉀(K)Potassium,% ≤0.05
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99.99% :
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外觀Appearance green to black powder, crystals
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X-射線衍射分析X-Ray Diffraction Conforms to standard
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純度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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三價鉻鈍化、電鍍添加劑;用于制備含鉻催化劑,印染工業用作媒染劑,用于玻璃和陶瓷釉彩和腐蝕阻抑劑。
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