US$ 20.49
and printers to classroom computers
and psychology teaching
Erlenmeyer Flask with a 500mL capacity and narrow neck is made of heavy-duty borosilicate 3
this 4-inch carbon-steel needle pivots on a brass cup bearing for low-friction rotation under the local field
with superior chemical durability
Copper Voltameter engine models and printers to classroom computersThree copper plates suspended in an insulated cover over a glass jar of copper sulfate solution, sized to demonstrate cathodic deposition and the coulometric form of Faraday's first law.
US$ 20.49
US$ 39.99
US$ 167.99
US$ 59.99
US$ 119.95
US$ 210.00