Sigma-Aldrich
Scienceware® Safe-LabTM PTFE stopper
Scienceware® vacuum desiccator
Scienceware® 真空干燥器
Scienceware® Vikem®-coated C-shaped lead ring
Screw-caps for Aldrich® fritted filter funnel
Shigemi 5 mm Symmetrical NMR microtube assembly
SNOOP® gas leak detector
SNOOP® 气体检漏仪
Solid-glass beads
实心玻璃珠
Spilfyter® chemical classifier
Spinring® magnetic stirring bar
Standard Jack
Syringaldazine
丁香醛连氮
Tedlar® gas sampling bag
TLC desiccating cabinet
Vacuum filtration assembly flasks