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Calcium fluoride

Cas:
7789-75-5
Molecular Structure:
MDL:
MFCD00010907
Molecular Formula:
CaF2
Molecular Weight:
78.07
Alias:
氟石,螢石,石英粗面巖,流紋石 Fluorite Fluorspar
Product order:
Name Specifications Packing Price Delivery
Calcium fluoride CP 500g RMB 44 Consulting service
Calcium fluoride AR 500g RMB 78 Consulting service
Calcium fluoride 光譜純 10g RMB 88 Consulting service
Calcium fluoride 99.99% metals basis 25g RMB 249 Consulting service
Calcium fluoride 99.99% metals basis 100g RMB 690 Consulting service
Calcium fluoride 99.99% metals basis 500g RMB 2495 Consulting service
Character:
白色粉末或立方結(jié)晶。加熱時發(fā)光。能溶于濃礦酸,并分解放出氟化氫,微溶于稀礦酸,不溶于水。低毒,半數(shù)致死量(大鼠,經(jīng)口)2775mg/kg。
密度:3.18
熔點:1403℃
沸點:2500℃
Quality Standard:
Q/(HG)SJ 099-91
項目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)Fluosilicate,%    ≤ 0.04    ≤0.01
重金屬(以Pb計)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

Storage:
密封保存。
制造氫氟酸,脫水和脫氫反應(yīng)的催化劑,冶金助熔劑。
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