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填料 1.5%OV-17 on chromosorb WAW DMCS 80/100
牙科镊
9种元素ICP-MS混标,Ag/As/Cd/Co/Cr/Cu/Mn/Ni/Zn,10mg/L溶于2% HNO3
预老化85%Vespel,15%石墨密封垫圈(长垫),垫圈内径0.4mm
HOT POCKET Column Oven, Short
3-溴-1,2-丙二醇-d5
BOTTLES,CONICAL SHOULDER, WIDE MOUTH, SODA-GLASS, ST-STOPPER CLEAR GLASS, ST 24/20, 50 ML
直尺 (JIS标准合格品)
棉子糖,>98.0%(HPLC)
Silica gel 60 HF254 for thin-layer chromatography