Sigma-Aldrich
Pipette bulb
Polymer-body combination pH electrodes
Potassium bicarbonate
碳酸氢钾
Scienceware® bottle carrier
Scienceware® plastic-tubing cutter, replacement blade
Scienceware® polypropylene powder funnel
Scienceware® protective lab-labeling system tape
Scienceware® trays
Scienceware® Vikem®-coated C-shaped lead ring
Scienceware® Vikem® coated closed lead ring
Shake flasks, triple baffled
Shigemi 5 mm Symmetrical NMR microtube assembly
Silver Shield® gloves
Silver Shield ® 手套
Solid-glass beads
实心玻璃珠