Use the conductometer for demonstrating and testing heat conductivity in a variety of metals. Set includes five metal rods (aluminum, brass, iron, copper, and stainless steel) radially fitted on a brass disk. Excellent for lessons introducing the qualities of different elements as well as thermodynamics lessons.
of about 1″ (27 mm) Dia.
• Comes with a Teacher’s Guide
• Metal bars: 75 mm L x 5mm Dia. (3″ L x 0.19″ Dia.)
• Brass disk: 27 mm (1″) Dia.

Item 3223-00

In Stock

This glass assembly replacement part is for use with the NEW Hoffman Electrolysis Apparatus (Item #3156-01).
• 50 ml side tubes graduated in 0.2 ml increments
• Includes 2 carbon electrodes, 2 platinum electrodes, rubber stoppers, and glass tubes

Item 3156-02

In Stock

NEW Hoffman Electrolysis Apparatus, Base, Rod, 2 Clamps Only. For use with Items #3156-01 and #3156-02

Item 3156-03

In Stock

This metal support stand can be used with the Hoffman Electrolysis Apparatus (Item #3155-01) and similar apparatuses. This specially designed, heavy metal support has binding posts in the base and double clamps on the rod; a special clamp with prongs for supporting the lower part of the apparatus is also supplied. The stand will hold the apparatus securely without straining or damaging the glass apparatus.

Item 3155-03

In Stock

This glass assembly replacement part is for use with Hoffman Electrolysis Apparatus (Item #3155-01).
• 50 ml side tubes graduated in 0.2 ml increments

Item 3155-02

In Stock