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Abacus includes 10 rows of 10 beads in 2 colors grouped in 5s for ease of use
25 Abbe condenser with iris diaphragm and filters
2-hydroxyproline
Includes 3um replaceable hydrophobic filter
Premium Quality: Zinc Rod Set is made of high-grade construction all the way through
Water Electrolyzer Apparatus mechanics Abacus includes 10 rows ofIncluded: Carbon electrodes, Plastic tank, Graduated plastic test tubes, and wire connectors for either binding terminals or alligator clips. This device simply and effectively demonstrates electrolysis of water and the separation of Hydrogen and Oxygen. Requires 6 12 Volts DC for operation. Designed for use in laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please
US$ 197.50
US$ 168.00
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US$ 54.99
