The HI93754B-25 are reagent vials that follow the EPA approved method for the medium range determination of chemical oxygen demand (COD) using a compatible benchtop photometer. 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 box for traceability

• Pre-dosed reagents for ease of use
• Supplied with certificate of quality
• Marked with expiration date and lot number for traceability

*Products classified as Dangerous Goods can only be shipped via ground.