氟化鈣/7789-75-5

等軸晶系，晶體多呈立方體、八面體或由其組成的聚形。顏色多為黃色、綠色、藍(lán)色、紫色或白色及玫瑰等色。 不溶于水，能溶于硫酸、磷酸和熱的鹽酸及硼酸、次氯酸。 熔點(diǎn) 1402 °C 沸點(diǎn) 2500 °C(lit.) 密度 3.18 g/mL at 25 °C(lit.) 折射率 1.434 閃點(diǎn) 2500°C
質(zhì)量標(biāo)準(zhǔn)
  

Q/(HG)SJ 099-91
項(xiàng)目ltem                                        化學(xué)純    分析純
        (CP)     (AR)
含量(CaF₂)Assay,%                    ≥ 98.0    ≥99.5
干燥失重Loss on drying,%          ≤ 0.6     ≤0.4 
氯化物(Cl)Chloride,%                    ≤ 0.02    ≤0.01
硫酸鹽(SO₄)Sulfate,%                   ≤ 0.15    ≤0.05
總氮量(N)Total nitrogen,%            ≤ 0.02    ≤0.005
碳酸鹽Carbonte                               合格    合格
鐵(Fe)lron,%                                      ≤ 0.025   ≤0.003
氟硅酸鹽(以Si計(jì))Fluosilicate,%    ≤ 0.04    ≤0.01
重金屬(以Pb計(jì))Heavy metals,%      ≤ 0.01    ≤0.003



99.99% metals basis:


外觀Appearance                          White Powder
X-射線衍射分析X-Ray Diffraction         Conforms to Structure
純度Purity                              ≥99.99% Based on Trace Metals Impurities of ICP
ICP:                                    Confirms Calcium Component Confirmed 
痕量金屬分析total metallic impurities   ≤200ppm by ICP Atomic emission
(Sr、Ba、Zr、Hf、Ce、Si)



品級(jí)Grade                               光譜純   
                (random crystals, optical grade, 99.99% trace metals basis) 
外觀Appearance                          Colorless or White Crystals and/or Chunks
X-射線衍射分析X-Ray Diffraction         Conforms to Structure
純度Purity                              ≥99.99% Based on Trace Metals Impurities of ICP
鈣Calcium(Complexometric EDTA)          50.8- 51.8 %
痕量金屬分析total metallic impurities   ≤200ppm by ICP Atomic emission