Laboratory Grade Hexanes, 500mL Chemical_Methyl Orange and laboratory setups

and laboratory setups

Four natural-size lumbar vertebrae stack on a mounted base with extending spinal nerve branches for teaching lumbar anatomy

a 75mm-aperture double-concave glass lens at 100mm focal length spreads light through optically worked surfaces and ground polished edges

Quartz sample approximately 1" (3cm) in size

Molded plastic aquarium tank holds small aquatic specimens and classroom organisms for short-term observation and elementary biology experiments

Laboratory Grade Hexanes, 500mL Chemical_Methyl Orange and laboratory setupsLab grade 500mL hexanes, the lower cost bulk solvent option for organic chemistry student work where ACS grade purity is not required for the chromatography or extraction protocol.