33973 硫酸铬 AR 500g 50
33974 硫酸铬 99.99% 50g 1482
33975 硫酸铬 99.99% 10g 297
33976 硫酸铬 CP 500g 40
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.)
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% : 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)
危险品标志 C 危险类别码 20/21/22-34 安全说明 26-27-28-36/37/39-45 WGK Germany 3
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。