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Silica gel 60 PF254 containing gypsum for preparative layer chromatography
冻干粉中克罗诺杆菌属(阪崎肠杆菌)(阳性)质控样
(标准磨口)10ml具塞玻璃试管
岛津配件(2米)
气相色谱柱,TG-200MS 30m x 0.32mm x 1μm
PT ELECTRODE FOR 694/747
三(2,4-二甲苯基)膦
75ml棕色广口玻璃瓶,38-400,PP盖,PTFE/硅胶垫
定性标准滤纸,100片/盒
Accucore PFP色谱柱