Determination of the Hardness of Water, Kit Includes:4x500 ml EDTA Solution, 0.005M, 2x200 ml Buffer Solution, 2x15 ml EBT Solution (Eriochrome Black, 0.1%) UN1219
Determination of the Nitrite and Nitrate Concentration in Water Kit, Includes: 60 mL Griess Reagent, 0.5 g Cadmium Metal Powder, 6 Plastic PiPettes, 3 Reaction Vessel, 3 Collection Bottle, 1 Measuring Tube, Size: 40 tests
Activity Series Chemistry Kit, To determine an activity series for a group of metals and a group of nonmetals, 15 lab groups, Certification: 49 CFR 173. 4