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刚果红试纸
硅烷化 组合装 透明 DP 套装
1H,1H,5H-八氟戊基1,1,2,2-四氟乙醚,>98.0%(GC)
KARTELL宽口洗瓶,本色盖子,材质:PE,容量:250ml,GL45
透明40ML EPA 样品瓶 套装
BLOW-OUT GRAD. PIPETTES, DIN-B 0,2 ML:0,001 ML WITHOUT WAITING TIME, COLOR-CODE-2XBLUE.
ANPEL 24-400 棕色螺纹口40ml EPA/VOA样品瓶
DURAN Round bottom flask, wide neck, without print, 6000 ml
CRIMP SEALS WITH DIFFERENT SEPTUM MATERIAL
硫酸氨基胍