C.O.D. Digestion Reagent Vial - Mid Range - 0–1500 mg/L (150cs)

Dichromate reactor digestion reagents for fast, easy, safe determination of low-, mid-, and high-range C.O.D. levels in wastewater. Premeasured reagent is packaged in flat-bottom ampules that are compatible with most spectrophotometers. Reagents have a two-year shelf life. A certificate is provided to indicate traceability to standards provided by the National Institute of Standards and Technology.Reagents are available containing mercuric sulfate to eliminate chloride interferences or mercury-free. Reagents with mercuric sulfate are U.S. EPA approved for method 410.4 C.O.D. testing.