| Appearance: | Powder |
|---|---|
| Grade Standard: | Reagent Grade |
| Purity: | 99.69% |
| Water Content: | 0.35% |
| Dry Weight Loss: | 0.42% |
| pH Value: | 4.35 |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier | Point of melting: | 150-155 °C |
| Density : | 1.210 (estimate) |
| Pressure of vapor: | 0.001Pa at 25ºC |
| Index of refraction: | 1.5500 (estimate) |
| Storage conditions: | room temp |
| Degree of solubility | H2O:1 Mat 20 °C,Transparent and colorless |
| form | White powder |
| PH value: | 2.5-5.0 (25ºC, 1M in H2O) |
| Acid-base indicator discoloration ph range: | 6.4 - 7.8 |
| Coefficient of acidity (pKa): | 7.1(at 25ºC) 7.15(at 20ºC) |
| Solubility of water | Soluble |
Specification Properties |
Specification of standard |
Result of Analysis |
(Appearance) |
||
(Assay) |
99.0%-101.0% | 99.69% |
| Water Content) | ≤0.5% | 0.35 |
| loss on drying | ≤1% | 0.42 |
| solubility (1.0M aqueous) |
, | , |
| PH value (1.0M aqueous) |
2.5-5.0 | 4.35 |
| Pb | ≤0.0005 | 0.0002 |
| Ultraviolet absorbance/280nm | ≤0.05 | 0.03 |
| Ultraviolet absorbance/290nm | ≤0.03 | 0.02 |
| Conclusion: Passe | ||
High quality with competitive price.
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We have clients throughout the world.
1. Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.
2. Market feedback and goods feedback will be appreciated , meeting customers' requirement is our responsibility.
3. High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers.
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Audited Supplier 
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