Reagent Grades
Barium hydroxide Octahydrate
Reagent, American Chemical Society (ACS)
Molecular Formula: Ba(OH)₂·8H₂O
CAS Number: 12230-71-6
Molecular Weight: 315.4636 gm/mol
Specification
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| Test | Specification | |
|---|---|---|
| Min | Max | |
| Assay [Ba(OH)₂·8H₂O] | 98.0% | |
| Carbonate (as BaCO₃) | 2.0% | |
| Insoluble in Dilute HCl | 0.01% | |
| Chloride (Cl) | 0.001% (about 0.001%) | |
| Sulfide (S) | TO PASS TEST (limit about 0.001%) | |
| Sodium (Na) | 0.01% | |
| Calcium (Ca) | 0.05% | |
| Heavy Metals (as Pb) | 5 ppm | |
| Iron (Fe) | 0.001% | |
| Strontium (Sr) | 0.8% | |
| Potassium (K) | 0.01% | |
Extrapure Analytical Reagent (AR), 98%
Molecular Formula:Ba(OH)₂·8H₂O
CAS Number: 12230-71-6
Molecular Weight: 315.4636 gm/mol
Specification
| ITEM | SPECIFICATION |
|---|---|
| Appearance (Colour) | White |
| Appearance (Form) | Crystalline powder |
| Solubility (Turbidity) 4% solution in 5N HCl | Clear |
| Solubility (Colour) 4% solution in 5N HCl | Colourless |
| Assay (HCl titration) | min. 98% |
| Chloride (Cl) | max. 0.001% |
| Iron (Fe) | max. 0.0005% |
| Heavy Metals (Pb) | max. 0.0005% |
| Copper (Cu) | max. 0.0005% |
| Carbonate (CO3) | max. 2% |
| Sulphide (S) | max. 0.0005% |
| Potassium (K) | max. 0.01% |
| Sodium (Na) | max. 0.01% |
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