GENERAL
DESCRIPTIONTypical appearance: white solid
Analytical use: preparation of standard solutions
Change in state (approximate): melting point 334 0C
Aqueous solubility: 32g in 100ml at 20 0C
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POTASSIUM
NITRATE ACSGENERAL
DESCRIPTION| SPECIFICATIONS | |
| Assay | >99.0% KNO3 |
| PH of a 5% solution at 25.0 0C | 4.5-8.5 |
| Maximum Allowable | |
| Insoluble matter | 0.005% |
| Chloride (Cl) | 0.002% |
| Iodate (IO3) | 5 ppm |
| Nitrate (NO2) | 0.001% |
| Phosphate (PO4) | 5 ppm |
| Sulfate (SO4) | 0.003% |
| Heavy metals (as Pb) | 5 ppm |
| Iron (Fe) | 3 ppm |
| Calcium (Ca) | 0.005% |
| Magnesium (Mg) | 0.002% |
| Sodium (Na) | 0.005% |
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| POTASSIUM NITRATE AR | |
| Synonym | SALTPETER; NITER |
| CAS No. | 7757-79-1 |
| Molecular Formula | KNO3 |
| Molecular Weight | 101 |
| Description | WHITE CRYSTALLINE POWDER |
| Specifications | |
| SOLUBILITY | FREELY SOLUBLE IN WATER |
| PH (5% W/V SOLUTION) | 5.0-7.0 |
| WATER INSOLUBLE MATTER | MAX 0.005% |
| CHLORIDE | MAX 0.001% |
| IODATE | MAX 0.0005% |
| NITRITE | MAX 0.001% |
| PHOSPHATE | MAX 0.0005% |
| SULPHATE | MAX 0.003% |
| CALCIUM | MAX 0.0015% |
| MAGNESIUM | MAX 0.002% |
| SODIUM | MAX 0.01% |
| ASSAY | MIN 99.5% AS KNO3 |
| POTASSIUM NITRATE LR | |
| Cas No. | 7757-79-1 |
| Molecular Formula | KNO3 |
| Molecular Weight | 101.10 |
| Description | White crystalline compound |
| Solubility | 10%aq.Soln. clear & colourless |
| Assay | min.98% |
| Insoluble matter | max.0.01% |
| pH(5% aq. Soln) | 4.5-8.5 |
| Chloride (Cl) | max.0.005% |
| Sulphate (SO4) | max.0.01% |
| Iron (Fe) | max.0.003% |
| Heavy Metals (Pb) | max.0.005% |
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POTASSIUM
PHOSPHATE DIBASIC ACS
GENERAL
DESCRIPTION| SPECIFICATIONS | |
| Molecular Formula | K2HPO4 |
| Molecular Weight | 174.18 |
| Assay | >98.0% K2HPO4 |
| PH of a 5% solution at 25.0 0C | 8.5-9.6 |
| Maximum Allowable | |
| Insoluble matter | 0.01% |
| Loss on drying | 1.0% |
| Chloride (Cl) | 0.003% |
| Nitrogen compounds (as N) | 0.001% |
| Sulfate (SO4) | 0.005% |
| Heavy metals (as Pb) | 5 ppm |
| Iron (Fe) | 0.001% |
| Sodium (Na) | 0.05% |
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| POTASSIUM PHOSPHATE DIBASIC AR | |
| Synonym | WHITE CRYSTALLINE POWDER, HYGROSCOPIC |
| CAS No. | 11/04/7758 |
| Molecular Formula | K2HPO4 |
| Molecular Weight | 174.18 |
| Description | WHITE CRYSTALLINE POWDER |
| Specifications | |
| SOLUBILITY | VERY SOLUBLE IN WATER |
| APPEARANCE OF SOLUTION | DISSOLVE 25GM IN WATER TO PRODUCE 500ML |
| THE SOLUTION IS CLEAR AND COLOURLESS | |
| PH (5% W/V SOLUTION) | 8.5 – 9.5 |
| WATER INSOLUBLE MATTER | MAX 0.01% |
| CHLORIDE | MAX 0.003% |
| SULPHATE | MAX 0.005% |
| HEAVY METALS | MAX 0.0005% |
| IRON | MAX 0.002% |
| CALCIUM | MAX 0.01% |
| MAGNESIUM | MAX 0.0005% |
| NITRATE | MAX 0.005% |
| SODIUM | MAX 0.06% |
| ASSAY | MIN 99.0% AS K2HPO4 |
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| POTASSIUM PHOSPHATE DIBASIC LR | |
| Cas No. | 7758-11-4 |
| Molecular Formula | K2HPO4 |
| Molecular Weight | 174.18 |
| Description | White Powder |
| PH(5% aq. Solution) | 8.5-9.6 |
| Insoluble matter | max.0.01% |
| Assay | min.97.0% |
| Loss on Drying | max. 2.0 % |
| Chloride (Cl) | max.0.01% |
| Sulphate (SO4) | max.0.01% |
| Iron (Fe) | max.0.002% |
| Heavy Metals (as Pb) | max.0.005% |
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