Hach primary formazin stock 4000 NTU, 500 mL. Used to prepare working turbidity standards in-house. EPA 180.1 reference.
Hach primary formazin stock 4000 NTU, 500 mL. Used to prepare working turbidity standards in-house. EPA 180.1 reference.
| Standards | ISO 7027 (turbidity), EN ISO 7027, EPA 180.1 |
| Approvals | EPA |
| HS code | 9027.80 |
| MOQ | 1 |