The HI723-25 are the replacement reagents for the HI723 Chromium VI High-Range Checker® HC. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.
- Pre-made reagents for ease of use
- Prepared with high-purity chemicals
- Marked with expiration date and lot number for traceability
Package | Packets |
---|---|
Quantity | 25 |
Method | adaptation of the ASTM Manual of Water and Environmental Technology, D1687-92 Diphenylcarbohydrazide Method. The reaction between chromium VI and the reagent causes a purple tint in the sample. |