Identity
Classification
- Categories
- Biological Buffers primary
- Applications
- Biochemistry
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | White crystalline | — |
| Odour | Odorless | — |
| pH value | 3 - 7 | — |
| Melting point/ Freezing point [°C] | Min 300 °C | °C |
| Solubility in water [% weight] | Moderate (1-10%) | — |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Appearance | White crystalline powder | — |
| Chromium (Cr) | Max 0.0005 % | % |
| Copper (Cu) | Max 0.0005 % | % |
| at 260 nm | Max 0.02 | — |
| at 280 nm | Max 0.02 | — |
| Purity (TLC method) | Min 99 % | % |
| Insoluble matter | Passes filter test | — |
| Residue on ignition | Max 0.05 % | % |
| Loss on drying (110 °C) | Max 1 % | % |
| Solubility (0.5 M in water; 20°C) | Complete,colorless | — |
| pH (0.5 M solution in water; 25°C) | 5.0 - 6.0 | — |
| Chloride (Cl) | Max 0.005 % | % |
| Sulphate (SO4) | Max 0.005 % | % |
Method names in parentheses (for example "GC method") identify the analytical technique applied to that parameter; they are not product grades. Grade of this product: Biochemistry.
Packaging
| Pack size | SKU |
|---|---|
| 25 g | RA000951-PK-25G |
| 100 g | RA000951-PK-100G |