| Property | Specification | Test Method | Units |
|---|---|---|---|
| Appearance | Powder, granules, flakes, or liquid (depending on type) | Visual | – |
| Active Ingredient | % by weight of the specific stabilizing compound(s) | Varies (e.g., Titrimetry, HPLC, Spectroscopy) | wt% |
| Solvent or Carrier (if applicable) | Type and % by weight (e.g., water, organic solvent) | Varies (e.g., Gas Chromatography) | wt% |
| pH (of a diluted solution, if applicable) | Range (e.g., 6.0 – 8.0) | Potentiometry | – |
| Particle Size Distribution (for powders) | Range (e.g., D50 = 10-20 µm) | Laser Diffraction | µm (micrometers) |
| Bulk Density (for powders) | Range (e.g., 500-700 kg/m³) | Pycnometer | kg/m³ (kilograms per cubic meter |
| Solubility | Solubility in water and other relevant solvents | Visual | – |
| Loss on Drying | Maximum % | Gravimetry | wt% |
| Melting Point (for some stabilizers) | Range or minimum value | Melting Point Apparatus | °C |
| Volatility (for some stabilizers) | Maximum % or vapor pressure | Loss on Drying or Karl Fischer Titration | % or mmHg |
| Impurities | Maximum % for specific impurities (e.g., heavy metals, chlorides) | Varies (e.g., AAS, Ion Chromatography) | ppm or wt% |
