cheap wholesales 16mm hach cod vials for water analysis exporter

DRB200: Digital Reactor Block: 15 x 16 mm vial wells, 115 VAC Wastewater Influent Inorganics Quality Control Standard, 500 mL. Product #: 2833149.

For determination of low range Chemical Oxygen Demand (COD) by the Reactor Digestion method. US EPA approved for wastewater analysis using Hach Method 8000.

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For determination of high range Chemical Oxygen Demand (COD) by the Reactor Digestion method. US EPA approved for wastewater analysis using Hach Method 8000 

DRB200: Digital Reactor Block: 15 x 16 mm vial wells, 115 VAC Wastewater Effluent Inorganics Quality Control Standard, 500 mL. Product #: 2833249.

Hach's Manganese III Chemical Oxygen Demand (COD) Method eliminates the use of characteristic heavy metal oxidizers, catalysts and.

For determination of low range Chemical Oxygen Demand (COD) by the Reactor Digestion method. US EPA approved for wastewater analysis using Hach Method 8000.

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