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Member Since 23 Years
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GST No. 27ABRPG2821M1ZCAsk for more detail from the seller
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| potassium chromate | |
| odour | odourless |
| density | 2.7320 g/cm3 |
| melting point |  968 °c (1,774 °f; 1,241 k) |
| boiling point | 1,000 °c (1,830 °f; 1,270 k) |
| solubility in water | 62.9 g/100 ml (20 °c) 75.1 g/100 ml (80 °c) 79.2 g/100 ml (100 °c) |
| solubility | insoluble in alcohol |
| refractive index (nd) | 1.74 |
| sr no. | test | extra pure / lr |
| 1. | description | lemon yellow fine crystals |
| 2. | identity | k: passes test cro4 passes test |
| 3. | test solution (10% w/w water) | the solution is clear |
| 4. | assay | nlt 99% |
| 5. | ph value (5% w/w water) | 8.5 - 10.0 |
| 6. | chloride ( cl ) | nmt 0.01% |
| 7. | sulphate ( so4) | nmt 0.05% |
| 8. | calcium (ca) | nmt 0.01% |
| 9. | loss on drying ( 105° c) | nmt 1% |
| sr no. | test | ar/ gr |
| 1. | description | lemon yellow crystals or crystalline powder |
| 2. | solution(10% w/v aqueous) | should be clear |
| 3. | assay % w/w | 99.5Â - 100.5 |
| 4. | insoluble matter % w/w | 0.003 |
| 5. | acidity % w/w | nil |
| 6. | alkalinity % w/w | 1 ml nlt 1% |
| 7. | chloride ( cl ) % w/w | 0.001 |
| 8. | sulphate ( so4)% w/w | 0.02 |
| 9. | aluminium (al) % w/w | 0.003 |
| 10. | Â Â Â calcium (ca)% w/w | 0.005 |
| 11. | Â Â Â Â Â sodium (na) % w/w | 0.05 |
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