Sigma-Aldrich
圆形晶体窗片, Round crystal window
Safe-LabTMThermometer/Tubing Adapter
Sartorius mLINE?mechanical pipettor
Sartorius mLINE?机械移液器
Schlenk Kjeldahl reaction and storage flask
Scienceware?ROTO-FLOTMflow indicator
Scissor-handle forceps
Solid cover for type 304 SS pan
Solvent storage flask with glass stopcock on side-arm
Wilmad?NMR tubes 10 mm diam., precision