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
Separation of a mixture: physical properties of matter, the fact that matter may differ from other matter in a variety of ways, students will examine three different solids individually and observe some differences in physical properties.
Oscillating Reaction- The Traffic Light kit, Includes: 1x10 g Sodium Hydroxide, Beads UN1823, 1x0.5g Indigo Carmine, makes 50ml, 5x5 g Dextrose (Glucose), A flask containing a yellow solution gently swirled and the solution turns red