Potassium silicofluoride

Potassium silicofluoride
Product Basic Parameter of Physical Chemistry:
Product name: Potassium silicofluoride(K2SiF6)
Molecular weight: 220.27
English name: potassium silicofluoride
Characters: It is white crystals or powder, odorless, tasteless and weak acidic and have toxic. The density of hexagonal crystal is 3.08.It is hygroscopic.It is slightly soluble in water, soluble in hydrochloric acid. Its solubility is slightly higher as the temperature gets higher. It is decomposed by heat to form potassium fluoride(KF) and silicon tetrafluoride(SiF4). It is hydrolyzed in hot water to form potassium fluoride(KF),hydrogen fluoride(HF) and silicate acid(H2SiO3).

Quality standard:
Main content Chloride(Cl) Sulphate(SO4) Iron(Fe) Heavy metals(Pb)
=98% =0.1% =0.2% =0.03% =0.005%
Free acid(HCl) Water-insoluble matter Moisture ??(80?)
=0.1% =0.5% =0.5% =90%

Packing: Packing with polythene plastic bag lined with plastic weave bag,25kg per bag

 



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