|
Potassium Sodium Tartrate Tetrahydrate - Specification |
|
Appearance |
White crystals or crystalline flakes (turns pink on exposure to air and light) |
|
Assay |
99 - 102% |
|
Insoluble matter |
Max 0.005% |
|
pH (5% solution in water; 20°C) |
7 - 8.5 |
|
Chloride (Cl) |
Max 0.005% |
|
Sulphate (SO4) |
Max 0.005% |
|
Phosphate (PO4) |
Max 0.001% |
|
Ammonium (NH4) |
Max 0.002% |
|
Heavy metal (as Pb) |
Max 0.0005% |
|
Iron (Fe) |
40.5 - 41°C |
|
Copper (Cu) |
Max 0.0005% |
|
Calcium (Ca) |
Max 0.004% |
|
Physical Properties |
|
Physical state at 20 °C |
Solid |
|
Colour |
Colorless crystalline |
|
Odour |
Odorless |
|
pH value |
7.0 - 8.5 |
|
Melting point/ Freezing point [°C] |
70°C |
|
Boiling point [°C] |
220°C |
|
Density [g/cm3] |
1.79 |
|
Solubility in water [% weight] |
Soluble in water |
|
Potassium Sodium Tartrate Tetrahydrate, Extra Pure - Specification |
|
Description |
Colourless crystalline powder |
|
Assay |
Min. 98.0% |
|
Acidity or Alkalinity |
Max. 1 ml N% |
|
Chloride (Cl) |
Max. 0.005% |
|
Sulphate (SO4) |
Max. 0.05% |
|
Melting point/Freezing point (˚C) |
70˚C |
|
Boiling point (˚C) |
220˚C |
|
Solubility in water (% weight) |
Soluble in water |
|
HSN Code |
29181390 |
|
Potassium Sodium Tartrate Tetrahydrate, AR - Specification |
|
Description |
Colourless crystalline powder |
|
Assay |
99.0 - 102.0% |
|
pH (5% solution 20°C) |
7.0 - 8.5 |
|
Chloride (Cl) |
Max. 0.0005% |
|
Sulphate (SO4) |
Max. 0.005% |
|
Heavy metals (as Pb) |
Max. 0.0005% |
|
Copper (Cu) |
Max. 0.0005% |
|
Melting point/Freezing point (˚C) |
70˚C |
|
Boiling point (˚C) |
220°C |
|
Solubility in water (% weight) |
Soluble in water |
|
Insoluble matter |
Max. 0.005% |
|
Phosphate (PO4) |
Max. 0.001% |
|
Ammonium (NH4) |
Max. 0.002% |
|
Iron (Fe) |
Max. 0.0005% |
|
Copper (Cu) |
Max. 0.0005% |
|
Calcium (Ca) |
Max. 0.004% |
