Sodium Sulfate Disodium Sulfate Laboratory Reagent, 10kg Chemical_Copper (II) Nitrate Bulb connected to a bourdon

Bulb connected to a bourdon guage

STEM water filter investigation kit challenges students to design purification systems through engineering principles and environmental science applications

Used to display the four oxidation states of vanadium through stepwise color changes

the diverging curvature paired with low mass for ray-box mounts and lightweight optics setups

Sodium Sulfate Disodium Sulfate Laboratory Reagent, 10kg Chemical_Copper (II) Nitrate Bulb connected to a bourdonBulk 10kg of laboratory grade disodium sulfate (Na2SO4), the high volume drying agent for non aqueous extraction solvents and sulfate ion source for production scale chemistry.