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N-1001D-W旋转蒸发仪(直式、水油两用),220v
8种元素ICP-MS混标,1000mg/L溶于5% HNO3(GB 5413.21-2010)
气相色谱柱,TG-WAXMS A 60m x 0.25mm x 0.50μm
3-氟-4-硝基甲苯
管架, 5x1.5ml 直径11mm EP管, 2个/包
THERMOMETER F.FLASKS A.STILL HEADS, -10+250:1 oC, 200 MM
SCHELLBACH-CLIP, MADE OF POLYPROPYLENE 13.5 X 36 MM, FOR TUBE-? 13.8 -17.0 MM
2,2,2-三氟乙酯甲磺酸
甲基二苯基氧膦
3-甲基三氟甲苯