US$ 104.50
and 100 ppm
Simulates kinetic gas theory through an electric motor vibrating a transparent tube of small steel balls
Designed for parallel gravity filtration
5-inch base
dermal papillae
Round Polypropylene Test Tube Rack for 12 Mixed Tubes (4 x 25mm + 8 x 19mm) Clearance and 100 ppmPolypropylene round test tube rack holding 12 tubes four at 25 mm and eight at 19 mm with 360 degree access for benchtop chemistry demonstrations and student experiments.
US$ 104.50
US$ 80.00
US$ 444.50
US$ 68.40