溴化钙/7789-41-5

无色斜方针状结晶或晶块。无臭，味咸而苦。 极易溶于水；溶于乙醇、丙酮和酸；微溶于甲醇、液氨；不溶于乙醚或氯仿。 熔点 730°C 沸点 806-812°C 密度 3.353 g/mL at 25 °C(lit.) 闪点 806-812°C
质量标准
  

99.9% metals basis:


外观Appearance                                       white powder and/or chunks 
X-射线衍射X-Ray Diffraction                  Conforms to Structure 
纯度Purity                                                    ≥99.9% Based on Trace Metals Impurities
ICP assay                                                 confirms calcium component
痕量金属杂质total metallic impurities   ≤1000ppm by ICP Atomic emission

98%

外观Appearance                     white powder and/or chunks 
ICP assay                                 confirms calcium component
纯度Purity(complexometric titration) (as xH2O)
                                          97.5% - 102.5%
纯度Purity(Titration by AgNO3) (as xH2O)
                                          97.5% - 102.5%
钙Ca(complexometric titration )           13.8% - 19.7% 
重金属Heavy metals (as Pb)                <10 ppm 
钡检测Barium (Ba)                         合格
氯离子Cl                                  < 1.0% 
硫酸根SO4                                 < 0.02% 
砷As                                      < 2 ppm 
铁Fe                                      < 10 ppm 
草酸盐oxalate (as SO4):                   < 0.4% 
碱性盐、游离酸检测Basic salt, free acid:  合格 
溴酸盐、氯酸盐检测Bromate, chlorate:      合格
PH值(5%水溶液)                            6.5～9.5 
水不溶物Insoluble matter in H2O           ≤1.0%