Desiccator Plate with Holes, made from high quality porcelain, Contains 6 holes, each with a 1.25in diameter, Great for any school or home laboratory, Can be used in a desiccator to remove moisture from specimen and protect against water vapor, 15cm diameter, 0.3in thickness
STEM Investigations: Design a Water Filter, Students will learn about the processes performed at water treatment facilities, and then engineer their own small scale filtration plant. Kit contains enough materials for 15 groups of students
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
Dipper, with 91cm (3ft) High-density polyethylene plastic handle, Replaceable Cups for Sampling, For convenient sampling from tanks, vats, streams, ponds, lakes, etc, these economy dippers are lightweight, easy to
Disk Public/Treated Water, pH: 4.5-9.5 pH, Series: D101, Total hardness: 0-70 gpg, Total alkalinity: 0-250 ppm, Tests include free and total chlorine(0-15 ppm), hardness, iron and copper(0-3.0 ppm)