

🔬 Calibrate with Confidence — Because Precision is Power
Hach Chlorine Standard Solution offers 20 individual 2 mL PourRite ampules with a precise 25-30 mg/L chlorine concentration, each lot-certified for accuracy. Designed for reliable chlorine determination calibration, it minimizes waste and supports consistent quality control in professional lab environments.
| ASIN | B00N4025R4 |
| Best Sellers Rank | #702,915 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #294 in Chemical Standards |
| Date First Available | August 28, 2014 |
| Item model number | 2630020 |
| Manufacturer | HACH COMPANY |
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