Carbon Electrodes in Rubber Stopper for Hoffman Voltameter, 8cm Build to Order mounted on a 5-inch stainless

mounted on a 5-inch stainless steel rod with nontoxic powder-coated zinc alloy

Dovetail-jointed hardwood seven-place test tube support holds tubes up to 13 mm in diameter upright during classroom chemistry and benchtop work

these low-friction Hall's cars support kinematics

Pairs 100mm of length with 25mm faces on a polished acrylic equilateral prism

and 6V-powered ignition light staging each step

Carbon Electrodes in Rubber Stopper for Hoffman Voltameter, 8cm Build to Order mounted on a 5-inch stainlessReplacement 8cm carbon electrodes pre mounted in a leak proof rubber stopper for the CH0740B Hoffman Electrolysis Apparatus, sized for ammonia solution decomposition work.