Sigma-Aldrich
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
Spinbar® disposable magnetic stirring bar
Stainless steel bubbler
STAT-O-LOKTM quick-disconnect
System 45TM vessel with threaded side port and removable fritted disc
Tempo-Shield heat-resistant open top shield