Sulfuric Acid Solution, pH 3-3.5, 3.785L Capacity_1000mL Two-ohm reference coil non-inductively wound

Two-ohm reference coil non-inductively wound from double silk-covered constantan on a plastic rod

SQUIBB || Squibb-style dropping/separatory funnel with 100ml capacity

Tandem double plastic pulley pairing 38mm and 50mm low-friction wheels on an open-sided steel frame

NIS-compatible oil plan achromat objective with 0

3 geometry favoring strong convergence and bright real-image formation across a wide aperture

Sulfuric Acid Solution, pH 3-3.5, 3.785L Capacity_1000mL Two-ohm reference coil non-inductively woundpH controlled 3. 785L bottle of dilute sulfuric acid at pH 3 3. 5, the bulk volume option for corrosion rate experiments, low pH soil amendment demos, and acidic buffer applications.