Cellulose Dialysis Tubing, 6.4 x 10mm, 10ft Activity Kits_Life Science Beech wood test tube rack

Beech wood test tube rack holds 12 tubes up to 20mm diameter in a 9-inch frame for organized storage during chemistry and biology experiments

and lipids

Plastic holder atop a 4

Mounted Zener diode on a transparent base with 4mm color-coded sockets and a printed circuit diagram

providing a more rigid mounting platform than a meter-rule for lens and mirror investigations

Cellulose Dialysis Tubing, 6.4 x 10mm, 10ft Activity Kits_Life Science Beech wood test tube rackNarrow bore dialysis tubing with a 12 to 14 kDa molecular weight cutoff, supplied as a 10 foot roll for desalting, buffer exchange, and osmosis investigations in biology coursework.