Sigma-Aldrich
Scienceware® polypropylene trays
Scienceware® vacuum aspirator bottle with trap
Scienceware®带收集器真空吸液器
SEBACIC ACID BIS(2-CHLOROBENZYLIDENEHYDRAZIDE)
SEBACIC BIS((4-CHLOROBENZYLIDENE)HYDRAZIDE)
sec-butyl dichloroacetate
Shigemi 3 mm Symmetrical NMR microtube assembly
SigmaPrepTM spin column kit with break-away tip
SigmaPrepTM 离心柱套装
Silicon carbide
碳化硅
Silicone Elastomer, Rod, Diameter 2.0Mm, Length 5 M, Color White
Silver
银
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