Description
Low-conductivity-reference iron rods at 300 by 3mm in a ten-pack
pressure-vessel
Illustrates liquid-density changes with temperature using a weighted 75mm hollow copper sphere that floats in 15°C water and sinks as the water warms to 30°C
and Kirchhoff's-law combinations
12V DC Power Supply for Hoffman Voltameter, CE Certified Size_17.5 Inch Low-conductivity-reference iron rods at 300CE certified 12V DC power supply designed specifically for driving Hoffman voltameters during electrolysis demonstrations that separate water into hydrogen and oxygen.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























