COD certified reagents LR compatible (UN 2922) Each

The HI-93754H-25 is a box of 25 reagent vials for COD, low range. *This method with chromium-sulphuric acid is officially recognised by EPA for wastewater analysis. Each box of 25 vials is supplied with a Hanna certificate of quality. The reagents are traceable to NIST SRM® 930. Hanna offers reagents to cover three separate ranges. Three measurement ranges to satisfy every need ? As COD levels vary depending on the application and process measuring points. Simply choose the best range for the application: low range ? 0 to 150 mg/L O2, medium range ? 0 to 1500 mg/L O2 and high range: 0 to 15000 mg/L O2. Accurate and repeatable measurements ? Hanna COD reagents have been developed in accordance with Standard Methods 5220D, USEPA 410.4 and ISO 15705:2002 methods