Sigma-Aldrich
圆形晶体窗片, Round crystal window
Sartorius mLINE® mechanical pipettor
Sartorius mLINE® 机械移液器
Schlenk Kjeldahl reaction and storage flask
Scienceware® ROTO-FLOTM flow indicator
Scissor-handle forceps
Solid-phase peptide synthesis flask
Solvent storage flask with glass stopcock on side-arm
Wilmad® NMR tubes 10 mm diam., precision
Nalgene® narrow-mouth bottles
Wilmad® NMR tubes 3 mm diam., microsample
CoorsTM Gooch crucible