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

Five-pack of 3/4-inch steel marbles

Three-dimensional starfish sectional model reveals echinoderm anatomy

100mL CAPACITY || Single Erlenmeyer Flasks with 100mL capacity and easy-to-read white enamel graduations every 25mL

calorimetry

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.