| Column | Value |
|---|---|
| matrix | <app.db.schema.ExposureMatrix object at 0x7b18291364b0> |
| particle | <app.db.schema.ParticleCharacterisation object at 0x7b1829134e60> |
| size_distributions | (<app.db.schema.ParticleSizeDistribution object at 0x7b1829136e70>) |
| id | 13 |
| matrix_id | 4 |
| particle_id | 16 |
| fractional_abundance | 0.15 |
| size_bin_min_nm | 1.0 |
| size_bin_max_nm | 50.0 |
| notes | Polyamide + ultrafine; 15%. |