|
Borax (Decahydrate) Extra Pure - Specification |
|
Synonyms |
(Di-Sodium Tetraborate), Sodium borate decahydrate |
|
Grade |
Extra Pure |
|
Description |
A white crystalline powder |
|
Assay |
99.0 - 103.0% |
|
pH (5%water) |
9.2 - 9.5 |
|
Melting point |
62°C |
|
Solubility in water |
39 g/l at 20°C-completely soluble |
|
Boiling Point |
320°C |
|
Density (g/cm3) |
1.73 |
|
Carbonate, bicarbonate |
Passes test |
|
Sulphate (SO4) |
Max. 0.005% |
|
Heavy metals (as Pb) |
Max. 0.002% |
|
Ammonium (NH4) |
Max. 0.001% |
|
Arsenic (As) |
Max. 0.0005% |
|
Calcium (Ca) |
Max. 0.01% |
|
HSN Code |
28401100 |
|
Borax (Decahydrate) AR - Specification |
|
Synonyms |
Di-Sodium Tetraborate |
|
Grade |
AR |
|
Description |
A white crystalline powder |
|
Assay |
99.0 - 103.0% |
|
pH (5%water) |
9.2 - 9.5 |
|
Melting point |
62°C |
|
Solubility in water |
39 g/l at 20°C- completely soluble |
|
Boiling Point |
320°C |
|
Density (g/cm3) |
1.73 |
|
Carbonate, bicarbonate |
Passes test |
|
Sulphate (SO4) |
Max. 0.005% |
|
Heavy metals (as Pb) |
Max. 0.002% |
|
Ammonium (NH4) |
Max. 0.001% |
|
Arsenic (As) |
Max. 0.0005% |
|
Calcium (Ca) |
Max. 0.01% |
|
HSN Code |
28401100 |
|
Di-Sodium Tetraborate Decahydrate, Extra Pure - Specification |
|
Synonyms |
Borax |
|
Description |
White crystalline powder |
|
Assay |
99-103 |
|
pH value |
9.2-9.5 |
|
Carbonate, bicarbonate |
Passes test |
|
Sulphate (SO4) |
Max. 0.005% |
|
Heavy metals (as Pb) |
Max. 0.002% |
|
Ammonium (NH4) |
Max. 0.001% |
|
Arsenic (As) |
Max. 0.0005% |
|
Calcium (Ca) |
Max. 0.01% |
|
Solubility in water |
39 g/l at 20° C -Completely soluble |
|
HSN Code |
28401100 |
|
Di-Sodium Tetraborate Decahydrate, AR - Specification |
|
Description |
A white crystalline powder |
|
Assay (Acidimetric) |
99.5 - 103.0% |
|
pH (0.01M solution, 25°C) |
9.15-9.20 |
|
Carbonate, bicarbonate |
Passes test |
|
Heavy metals (as Pb) |
Max. 0.002% |
|
Ammonium (NH4) |
Max. 0.001% |
|
Arsenic (As) |
Max. 0.0005% |
|
Calcium (Ca) |
Max. 0.005% |
|
Solubility in water |
39 g/l at 20° C -Completely soluble |
|
Identity |
Passes test |
|
Clarity of solution |
Passes test |
|
Insoluble matter |
Max. 0.005% |
|
pH (4% solution in water) |
9.0-9.6 |
|
Chloride (Cl) |
Max. 0.0007% |
|
Phosphate (PO4) |
Max. 0.001% |
|
Sulphate (SO4) |
Max. 0.005% |
|
Copper (Cu) |
Max. 0.0005% |
|
Iron (Fe) |
Max. 0.0005% |
|
Ammonium (NH4) |
Max. 0.001% |
|
Lead (Pb) |
Max. 0.0005% |
|
Melting point (° C) |
62° C |
|
HSN Code |
28401100 |
