Anhydrous Sodium Acetate, 500g, Laboratory Grade LabLearner Student-sized electrophorus with a 15cm

Student-sized electrophorus with a 15cm plastic charge plate and a metal disc on an insulated handle

Binaural stethoscope with PVC tubing provides clear heart and lung sound detection for medical and nursing education

and the relationship of the pH scale to acid and base strength

125-inch mounting holes spaced 1

Jointed Liebig condenser in borosilicate glass measures 16cm with 19/26 glass connectors for distillation

Anhydrous Sodium Acetate, 500g, Laboratory Grade LabLearner Student-sized electrophorus with a 15cmAnhydrous sodium acetate used as a buffering agent in laboratory solutions and as the basis for the classic hot ice crystallization demonstration.