Division 1.8.4 Initial biomass concentration
United Kingdom
The initial biomass in the test cultures must be the same in all test cultures and sufficiently low to allow exponential growth throughout the incubation period without risk of nutrient depletion. The initial biomass should not exceed 0,5 mg/l as dry weight. The following initial cell concentrations are recommended:
| Pseudokirchneriella subcapitata | 5 × 103-104 | cells/ml |
| Desmodesmus subspicatus | 2-5 × 103 | cells/ml |
| Navicula pelliculosa | 104 | cells/ml |
| Anabaena flos-aquae | 104 | cells/ml |
| Synechococcus leopoliensis | 5 × 104-105 | cells/ml |