Paper Chromatography Kit for 15 Student Groups Size_16 Inch Used to introduce semiconductor rectification

Used to introduce semiconductor rectification

Designed to let students draw their own electrodes on conductive graph paper and trace equipotential lines with a multimeter

Built for genetics instruction

Wall-mounted Mason's hygrometer with two identical dual-scale thermometers — one dry and one kept wet via a water reservoir — calculating relative humidity from their paired reading difference

Paper Chromatography Kit for 15 Student Groups Size_16 Inch Used to introduce semiconductor rectificationPaper chromatography kit separates mixtures using capillary action and solvent polarity for up to 15 student groups with comprehensive procedure guides and materials.