Science in the Kitchen Chemistry Kit for 15 Groups Lab Supplies_Glass Tubing Straight-pattern Rotaflow stopcock in borosilicate

Straight-pattern Rotaflow stopcock in borosilicate glass provides precise flow control for burettes and chemistry apparatus assemblies

1 M Chromium Nitrate

a low-cost option for introductory mechanical-advantage demonstrations

totaling 100 grams for fine-grained force

3 glass stopcock features standard 24/29 ground joints for secure vessel connections and precise flow control in laboratory applications

Science in the Kitchen Chemistry Kit for 15 Groups Lab Supplies_Glass Tubing Straight-pattern Rotaflow stopcock in borosilicateScience in the Kitchen kit explores food chemistry through common household materials for 15 student groups with hands on culinary science.