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🧪 Calibrate with Confidence — Because Accuracy is Non-Negotiable
The Hach Chlorine Standard Solution (25-30 mg/L as Cl₂) comes in a pack of 20 NIST-traceable 2 mL PourRite ampules, designed for precise accuracy checks in chlorine testing. Each lot is clearly labeled with its specific concentration, ensuring reliable, waste-minimized calibration for professional-grade water quality analysis.






| ASIN | B00N4025R4 |
| Best Sellers Rank | #822,687 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #270 in Chemical Standards |
| Brand | HACH |
| Brand Name | HACH |
| Item Form | Liquid |
| Item Highlight | Pack of 20 2 mL PourRite Ampules, NIST |
| Manufacturer | HACH COMPANY |
| Manufacturer Part Number | 2630020 |
| Model Number | 2630020 |
| Number of Items | 20 |
| Unit Count | 1 Count |
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