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脱叶磷(DEF) 标准品
叶酸测定培养基
样品瓶 12X32 透明 S/N 8-425
微孔滤膜(混纤-水系)
O型圈,25个/包
2-甲基己酸
Clamping ring, Silicone, transparent, for Transferpettor Fix 100/200 μl, set of 3 pcs.
苯甲酸 山梨酸 糖精钠 安赛蜜混合溶液标准物质
KJELDAHL-FLASKS, MADE OF QUARTZ SILICA, WITH RIM, 250 ML, D.81 MM, HEIGHT 270 MM
GRADUATED CYLINDER 500:5,0 ML, PP, CLASS B, WITH PLASTIC BASE, SHORT LINE GRADUATION, BLUE COLOR