溴化钙

性状描述: 白色颗粒或块状结晶，无臭，味咸而苦，水中极易溶解，溶于乙醇和丙酮，不溶于乙醚或氯仿，在空气中久置变黄，有很强的吸湿性，水溶液显中性。
熔点:730℃
沸点:806-812℃

质量标准: 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%


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

储存条件: 储存在阴凉干燥处，应密封避光保存。