cheap wholesales 16mm hach cod vials for water analysis exporter
COD Digestion Vials, High Range, pk/150 | Hach USA – Accessories
DRB200: Digital Reactor Block: 15 x 16 mm vial wells, 115 VAC Wastewater Influent Inorganics Quality Control Standard, 500 mL. Product #: 2833149.
COD Digestion Vials, Low Range, pk/150 | Hach USA – Overview
For determination of low range Chemical Oxygen Demand (COD) by the Reactor Digestion method. US EPA approved for wastewater analysis using Hach Method 8000.
Cell Adapter, COD/Test ‘N Tube, 16 mm, for DR/24...