Phenol Red Indicator Reagent, 5g Foodsafe Automatic zero burette with 50ml

Automatic zero burette with 50ml capacity mounted on a 2000ml reservoir

Monocot stem model exposes scattered vascular bundles embedded in ground tissue for comparative plant anatomy and grass-family stem teaching

providing the high-turns winding for transformer ratio and electromagnetic induction demonstrations

this 8-piece polypropylene graduated cylinder set spans 10mL to 2000mL with raised graduations for classroom and lab work

this handle-fitted bicycle wheel lets students feel torque resistance in a spinning mass

Phenol Red Indicator Reagent, 5g Foodsafe Automatic zero burette with 50mlUsed as a yellow to red pH indicator transitioning between pH 6. 8 and 8. 2, this 5g bottle of phenol red powder dissolves into water for cell culture media monitoring and biology buffers.