Lovibond formazine standard sets in sealed vials are prepared in ready-to-use concentrations to ensure accurate turbidity measurements. They are EPA & ISO compliant and eliminate any need for preparation.
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These stabilized standards have a long shelf life and are the perfect tool to assure your analytical quality.
| Part Number | Instrument(s) | Standards Included in Set |
| 194280 | TB250 WL | 0.02, 10, 1000 NTU |
| 194152 | TB350 IR | 5, 20, 800, 2000, 4000 NTU |
| 194150 | TB210 IR, TB211 IR, TB300 IR | <0.1, 20, 200, 800 NTU |
