Scienceware^® trays

Scienceware^® vacuum desiccator

Scienceware^® 真空干燥器

Scienceware^® Vikem^® coated closed lead ring

Screw-caps for Aldrich^® fritted filter funnel

Shigemi 5 mm Symmetrical NMR microtube assembly

Shigemi 5 mm Symmetrical NMR microtube assembly

Sodium hypophosphite

次磷酸钠

Solid-glass beads

实心玻璃珠

Spinbar^® disposable magnetic stirring bar

Spinring^® magnetic stirring bar