| Appearance | Milky cream coloured turbid suspension, free from coarse mechanical impurities. |
| Microscopic evaluation | Spherical particles, no agglomerates, no fines. |
| Extractable matter (water) | ≤ 0.08 % |
| Ionic capacity | 50 - 100 µeq/ml |
| Performance test (chymotrypsinogen) | 10 - 30 mS/cm |
| Performance test (lysozyme) | 35 - 55 mS/cm |
| Pressure drop
(column: ID=1.6 cm, L=10 cm at 5 ml/min) | ≤ 1.0 bar |
| Protein binding capacity (lysozyme) | 120 - 180 mg/ml |
| Particle size (50-120 µm) | ≥ 80 % |
| Particle size (d50) | 75 - 95 µm |
| Cerium | ≤ 30 µg/g |
| Endotoxins | ≤ 1.00 EU/ml |
| TAMC (total aerobic microbial count) | ≤ 20 CFU/ml |
| TYMC (total yeast and mould count) | ≤ 20 CFU/ml |
