Sodium Hydroxide Pellets, 100g, Laboratory Grade Item Type_Dissection Pins a pulley-loaded weighted string

a pulley-loaded weighted string

Three-lead reusable-electrode electrocardiogram data-logging sensor producing a heartbeat graph that examines cardiac-muscle activity from three angles while avoiding single-use consumable costs

Flat head solid cone stopper in borosilicate glass features 29/32 cone for sealing ground joint vessels and chemistry apparatus

Depicts the geological processes of Earth's formation and the development of its structural layers

and colon for classroom digestion teaching

Sodium Hydroxide Pellets, 100g, Laboratory Grade Item Type_Dissection Pins a pulley-loaded weighted stringPellet form lab grade sodium hydroxide for controlled dissolution, chemical synthesis, pH adjustment, and reagent preparation in analytical teaching labs.