USEPA accepted for reporting for wastewater analysis using Hach Method 8023 Ampules contain the precise amount of reagent for a single test and can be used as a measurement cuvette. Method: 1,5-Diphenylcarbohydrazide Range: up to 0.70 mg/L pk/25

Octagonally shaped, thick walled agate mortar with pestle. Both have highly polished grinding surfaces.

Protect your precious samples with the Thermo Scientific −80°C Benchtop Freezer, which is ideal for personal or clinical trial applications offering a full 1 cu. ft. (28L) capacity. Cabinet Construction: Compact 25.2 x 30.7″ (640 mm x 781 mm) footprint …