GENERAL
DESCRIPTIONTypical appearance: white or colorless solid
Analytical use: buffer solutions
Change in state (approximate): melting point, 253 0C
Aqueous solubility: 33g in 100ml at 25 0C
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Potassium
Phosphate Monobasic ACSGENERAL
DESCRIPTION| SPECIFICATIONS | |
| Assay | >99.0% KH2PO4 |
| PH of a 5% solution at 25.0 0C | 4.1-4.5 |
| Maximum Allowable | |
| Insoluble matter | 0.01% |
| Loss on drying | 0.2% |
| Chloride (Cl) | 0.001% |
| Sulfate (SO4) | 0.003% |
| Heavy metals (as Pb) | 0.001% |
| Iron (Fe) | 0.002% |
| Sodium (Na) | 0.005% |
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| Potassium Phosphate Monobasic Extrapure AR | |
| Molecular Formula | KH2PO4 |
| Molecular Weight | 136.09 |
| Description | White Crystalline Compound |
| Solubility | 10% aq. Solution clear colourless |
| Ph (5% aq solution) | 4.3 – 4.5 |
| Assay | Min 99.5% |
| Loss on Drying | Max 0.05% |
| Chloride (Cl) | Max 0.0005% |
| Sulpahte (SO4) | Max 0.005% |
| Iron (Fe) | max 0.001% |
| Heavy Metals (Pb) | Max 0.0005% |
| Copper (Cu) | Max 0.0005% |
| Total Nitrogen (N) | Max 0.002% |
| Sodium (Na) | Max 0.01% |
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| POTASSIUM PHOSPHATE MONOBASIC LR | |
| Synonym | POTASSIUM DIHYDROGEN PHOSPHATE |
| CAS No. | 7778-77-0 |
| Molecular Formula | KH2PO4 |
| Molecular Weight | 136.09 |
| Description | WHITE CRYSTALINE POWDER |
| Specifications | |
| SOLUBILITY | SOLUBLE IN WATER |
| APPEARANCE OF SOLUTION | AQ SOLUTION (10%) IS CLEAR AND COLORLESS |
| PH (5% W/V SOLUTION) | 4.2 -- 4.7 |
| CHLORIDE | MAX. 0.01 % |
| SULPHATE | MAX. 0.05 % |
| SODIUM | MAX 0.2 % |
| IRON | MAX. 0.002% |
| LEAD | MAX. 0.002% |
| ASSAY | 99.0%--101.0% |
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POTASSIUM
OXALATE MONOHYDRATE ACS
GENERAL
DESCRIPTION| SPECIFICATIONS | |
| Assay | 98.5-101.0% K2C2O4.H2 O |
| Substances darkened by hot sulfuric acid | Passes test |
| Neutrality | Passes test |
| Maximum Allowable | |
| Insoluble matter | 0.01% |
| Chloride (Cl) | 0.002% |
| Sulfate (SO4) | 0.01% |
| Ammonium (NH4) | 0.002% |
| Heavy metals (as Pb) | 0.002% |
| Iron (Fe) | 0.001% |
| Sodium(Na) | 0.02% |
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| POTASSIUM OXALATE MONOHYDRATE AR | |
| CAS NO. | 6487-48-5 |
| Molecular Formula | COOK2 .H2O |
| Molecular Weight | 184.23 |
| Description | COLOURLESS CRYSTALS, OR WHITE CRYSTALLINE POWDER. |
| Specifications | |
| SOLUBILITY | FREELY SOLUBLE IN WATER |
| PH (5% W/V SOLUTION) | 7.0 - 8.5 |
| WATER INSOLUBLE MATTER | MAX 0.005% |
| CHLORIDE | MAX 0.001% |
| SULPHATE | MAX 0.01% |
| IRON | MAX 0.0005% |
| LEAD | MAX 0.0005% |
| SODIUM | MAX 0.02% |
| ASSAY | MIN 99.5% AS COOK2.H2O |
| Packing | 25/50 KG BAG OR 25/50 KG |
| POTASSIUM OXALATE MONOHYDRATE LR | |
| CAS NO. | 6487-48-5 |
| Molecular Formula | COOK2 .H2O |
| Molecular Weight | 184.23 |
| Description | COLOURLESS CRYSTALS, OR WHITE CRYSTALLINE POWDER. |
| SOLUBILITY | FREELY SOLUBLE IN WATER |
| PH (5% W/V SOLUTION) | 7.0 - 8.5 |
| WATER INSOLUBLE MATTER | MAX 0.01% |
| CHLORIDE | MAX 0.005% |
| SULPHATE | MAX 0.01% |
| IRON | MAX 0.002% |
| LEAD | MAX 0.005% |
| ASSAY | MAX.98.0% |
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