Laboratory Grade Hexanes, 500mL Chemical_Methyl Orange Used as a bleaching and

Used as a bleaching and destaining agent in chemistry and biology coursework

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

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

eliminating repeated striker use

Quartz sample approximately 1" (3cm) in size

Laboratory Grade Hexanes, 500mL Chemical_Methyl Orange Used as a bleaching andLab 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.