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Pure Sodium Aluminum Fluoride For Aluminium Oxides Electrolysis Solvent

Categories Sodium Aluminum Fluoride
Brand Name: YIXIN
Model Number: YXF-004
Certification: ISO9001
Place of Origin: CHINA
MOQ: 1-25ton
Price: usd900-1100/ton
Payment Terms: L/C, T/T, Western Union
Supply Ability: 1000 ton per month
Delivery Time: 3-15days after we received deposit
Packaging Details: 25/50 bags
Melting point: 1012°C
CAS NO: 15096-52-3
Purity: 98%
Molecular weight: 209.94
Color: White
Density: 2.9 g/cm3
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Pure Sodium Aluminum Fluoride For Aluminium Oxides Electrolysis Solvent

White sodium aluminium fluoride CAS NO 15096-52-3 using as

solvent (or flux) for electrolysis of aluminium oxides


►Description


This white solid, discovered by the Brazilian José Bonifácio de Andrada e Silva,


occurs naturally as the mineral cryolite and is used extensively in the industrial


production of aluminium metal. The compound consists of the sodium (Na+) salt of


hexafluoroaluminate (AlF63−).Most Sodium aluminum fluoride is manufactured


from aluminium oxides, hydrofluoric acid, and sodium hydroxide or the equivalent


reagent hexafluorosilicic acid:6 NaOH + Al2O3 + 12 HF → 2 Na3AlF6 + 9 H2OIt


was mined as cryolite at Ivigtût on the west coast of Greenland, until the deposit


was depleted in 1987.Sodium aluminum fluoride is poorly soluble in water, which


mitigates problems. The LD50 = 600 mg/kg for the comparable compound


aluminium trifluoride.


►Specification


Macro molecule


Na3AlF6

Item


Specification

Na3AlF6


98%

F


53.5%

Al


13.8%

Na


31.2%

SiO2


0.28%

Fe2O3


0.03%

SO4


0.01%

Hygroscopic moisture


0.17%

Cauterant decrease


1.85%

Molecular proportion


2.65%

Low molecule


Na3AlF6

Item


Specification

Na3AlF6


98%

F


53.4%

Al


14.6%

Na


30.5%

SiO2


0.25%

Fe2O3


0.03%

SO4


0.01%

Hygroscopic moisture


0.15%

Cauterant decrease


1.27%

Molecular proportion


2.46%

►Application

1. The main application of synthetic cryolite is as a solvent (or flux) for electrolysis


of aluminium oxides such as bauxite.



2.An opacifier for glass.



►Payment


T/T 30% deposit ,70% paid against copy B/L


►MOQ


1-25ton

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