Ammonium Hydroxide Solution, 28-30%, 500mL, ACS Grade Capacity_2500mL providing repeatable timing for physics

providing repeatable timing for physics classroom demonstrations and student laboratory experiments without power

and reagent use in chemistry labs

Demonstrates the basic principle of a galvanic cell — voltage generated when two dissimilar metals are dipped into an electrolyte — for an introductory look at battery operation

a USB adapter

Basic Hydra model demonstrates freshwater polyp anatomy

Ammonium Hydroxide Solution, 28-30%, 500mL, ACS Grade Capacity_2500mL providing repeatable timing for physicsACS grade 28 to 30 percent ammonium hydroxide, used as a strong base in qualitative analysis, complexometric titration, and buffer solution preparation.