Laboratory Grade Sodium Hydrogen Carbonate Bicarbonate, 2.5kg Hypotenuse_50mm displayed on a plastic-and-metal rack

displayed on a plastic-and-metal rack with a carrying handle for transport

PTFE-coated hot plate stirrer combining 250 watts of heating up to 320°C with variable-speed magnetic stirring from 100 to 2000 RPM in a single 2-liter benchtop unit

Concave glass mirror at 75mm diameter and 150mm focal length on a ~3mm-thick blank

Five-hundred-gram bottle of coarse 50-mesh laboratory-grade iron filings

Laboratory Grade Sodium Hydrogen Carbonate Bicarbonate, 2.5kg Hypotenuse_50mm displayed on a plastic-and-metal rackSmaller 2. 5kg pack of laboratory grade sodium hydrogen carbonate (NaHCO3), the standard buffering and acid neutralization agent for general chemistry and biology laboratory student work.