| Column | Value |
|---|---|
| matrix | <app.db.schema.ExposureMatrix object at 0x71ff90879880> |
| particle | <app.db.schema.ParticleCharacterisation object at 0x71ff90a53aa0> |
| size_distributions | (<app.db.schema.ParticleSizeDistribution object at 0x71ff906d5a90>) |
| id | 58 |
| matrix_id | 7 |
| particle_id | 13 |
| fractional_abundance | 0.04 |
| size_bin_min_nm | 50.0 |
| size_bin_max_nm | 200.0 |
| notes | Trace fine_nano. |