|
Potassium Fluoride Anhydrous, Extrapure - Specification |
|
Appearance |
White crystalline powder |
|
Assay (ion-exchange) |
Min 97% |
|
Chloride (Cl) |
Max 0.02% |
|
Sulphate (SO4) |
Max 0.3% |
|
Iron (Fe) |
Max 0.02% |
|
Sodium (Na) |
Max 0.5% |
|
Density [g/cm3] |
2.48 |
|
Vapour pressure mm/Hg |
1 mm Hg @ 8850C |
|
Melting point/ Freezing point [°C] |
858 °C |
|
Colour |
White powder |
|
Physical state at 20 °C |
Solid |
|
Odour |
Odorless |
|
Boiling point [°C] |
1.505 °C |
|
Vapour density |
2 |
|
Solubility in water [% weight] |
Appreciable in water |
|
Potassium Fluoride Anhydrous, AR - Specification |
|
Appearance |
White crystalline powder |
|
Assay |
Min 99% |
|
Insoluble matter |
Max 0.005% |
|
Acidity |
Max 0.05% |
|
Alkalinity |
Max 0.05% |
|
Chloride (Cl) |
Max 0.005% |
|
Hexafluorosilicate (SiF6) |
Max 0.05% |
|
Sulphate (SO4) |
Max 0.005% |
|
Iron (Fe) |
Max 0.001% |
|
Heavy metal (as Pb) |
Max 0.001% |
|
Density [g/cm3] |
2.48 |
|
Vapour pressure mm/Hg |
1 mm Hg @ 8850C |
|
Melting point/ Freezing point [°C] |
858 °C |
|
Colour |
White powder |
|
Solubility in water [% weight] |
Appreciable in water |
|
Boiling point [°C] |
1.505 °C |
|
Odour |
Odorless |
|
Physical state at 20 °C |
Solid |
