Clear pH 12.00 Standard Buffer Solution, 500mL Pack Size_10 22-piece organic chemistry glassware set

22-piece organic chemistry glassware set features 10/19 ground glass joints for comprehensive laboratory distillation and synthesis procedures

Three-part life-size male pelvic section exposes prostate

Five different tooth types — incisor

Three-dimensional starfish sectional model reveals echinoderm anatomy

Top rack dishwasher safe and autoclavable

Clear pH 12.00 Standard Buffer Solution, 500mL Pack Size_10 22-piece organic chemistry glassware setBoric acid, potassium chloride, and sodium hydroxide clear pH 12. 00 buffer at 500mL, holding pH stable at 25 degrees C for high alkaline meter calibration in chemistry and water quality labs.