US$ 85.00
this single large lump of genuine American coal ships in a cotton drawstring bag with a linked science-experiment activity
observation
this 100mm aluminum water bath accommodates small evaporation dishes and beakers during chemistry procedures
Two selectable dot rates (25 or 45 per second) on a shock-absorbing plastic-case ticker timer
sized to capture and measure the 2:1 hydrogen-to-oxygen volume ratio during water electrolysis
Conical Filtering Flask with Integral Plastic Side Arm, 1000mL, White Graduations, Borosilicate Glass Glass Flasks_Filtering Flasks this single large lump ofConical filtering flask in borosilicate 3. 3 glass holds 1000mL with integral plastic side arm for vacuum filtration and chemistry separation.
US$ 85.00
US$ 37.00
US$ 130.00
US$ 139.00
US$ 130.00
US$ 25.00
US$ 247.50
US$ 100.00
US$ 119.00
US$ 60.00
US$ 12.00
US$ 89.00
US$ 247.50
US$ 12.00
US$ 18.00