产品性质
Sigma-Aldrich
Series A-2 gas syringe
Sample-Lok® A-2 系列气体注射器
Serrated natural rubber septa
Sigma-Aldrich® micro pH combination electrode, glass body
Spinbar® magnetic stir bar
Spinbar® 磁力搅拌棒
VerSA-FlowTM can and drum dispenser
Wilmad® NMR tubes 5 mm diam., precision
Wilmad® NMR 管，直径 5 mm，精度型
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