Electrodes are just the right length to prevent air bubbles in the gas collection tubes — and they extend through the bottom of the tank, making it easy to attach alligator clips. Includes plastic test-tube holder and two 1.5cm diameter x 10.5cm long test tubes that are graduated every 5ml to be read inverted. The molded plastic tank stands on its own legs, has a pour lip for electrolyte disposal and is designed for stacked storage. Requires a power source, such as the Genecon Hand Electric Generator and electrolyte, such as Sodium Iodide, sold separately — see our chemical listing. Size is 12 x 8 x 10cm.
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