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Calcium fluoride

Cas:
7789-75-5
Molecular Structure:
MDL:
MFCD00010907
Molecular Formula:
CaF2
Molecular Weight:
78.07
Alias:
氟石,萤石,石英粗面岩,流纹石 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 光谱纯 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:
白色粉末或立方结晶。加热时发光。能溶于浓矿酸,并分解放出氟化氢,微溶于稀矿酸,不溶于水。低毒,半数致死量(大鼠,经口)2775mg/kg。
密度:3.18
熔点:1403℃
沸点:2500℃
Quality Standard:
Q/(HG)SJ 099-91
项目ltem                           化学纯    分析纯
                   (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
硫酸盐(SO4)Sulfate,%              ≤ 0.15    ≤0.05
总氮量(N)Total nitrogen,%         ≤ 0.02    ≤0.005
碳酸盐Carbonte                       合格    合格
铁(Fe)lron,%                      ≤ 0.025   ≤0.003
氟硅酸盐(以Si计)Fluosilicate,%    ≤ 0.04    ≤0.01
重金属(以Pb计)Heavy metals,%      ≤ 0.01    ≤0.003

99.99% metals basis:


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

品级Grade                               光谱纯  
                (random crystals, optical grade, 99.99% trace metals basis)
外观Appearance                          Colorless or White Crystals and/or Chunks
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.99% Based on Trace Metals Impurities of ICP
钙Calcium(Complexometric EDTA)          50.8- 51.8 %
痕量金属分析total metallic impurities   ≤200ppm by ICP Atomic emission

Storage:
密封保存。
制造氢氟酸,脱水和脱氢反应的催化剂,冶金助熔剂。
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