Anhydrous Potassium Carbonate, 500g, Laboratory Grade Activity Kits_General Earth Science and a second copper) for

and a second copper) for side-by-side comparison of conductivity and resistance

and three cast iron support rings for ring-stand assemblies

this three-dimensional Paramecium sectional model reveals internal structure and ciliate organization for microbiology teaching

Pellet-form lab-grade sodium hydroxide for controlled dissolution

Designed for liquid-fill Snell's-law work at smaller scale

Anhydrous Potassium Carbonate, 500g, Laboratory Grade Activity Kits_General Earth Science and a second copper) forDesiccant grade anhydrous potassium carbonate used for drying organic solvents and as a base in chemical synthesis and pH adjustment procedures.