US$ 19.99
5A of current
20cm focal length
Dovetail-jointed hardwood seven-place test tube support holds tubes up to 13 mm in diameter upright during classroom chemistry and benchtop work
supporting weather-pattern and ocean-circulation demos
Reagent Grade Barium Hydroxide Crystals, 500g Chemical_Neutral Red 5A of currentUsed for chemical synthesis, pH adjustment, and titration of weak acids, this 500g bottle of reagent grade barium hydroxide crystals provides a strong base for quantitative chemistry work.
US$ 19.99
US$ 40.00
US$ 20.00
US$ 37.99