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
Effect of Salinity on Seawater kit, Includes: Phenolphthalein Indicator, 1M Potassium Chromate, 0.1M Silver Nitrate, 3M Sodium Hydroxide, Synthetic Atlantic Ocean Water, Gulf of Mexico Water and Pacific Ocean Water, has enough materials for 15 groups