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1-溴频哪酮;1-溴代-3,3-二甲基-2-丁酮
间硝基苯磺酸钠
SCREW CAP, TOP WITH HOLE, GL 45
活塞,10mL用
无水乙醇
结晶紫中性红胆盐葡萄糖琼脂(VRBGA)
塑料中PFOSPFOA空白样品
DIMROTH-CONDENSERS, ACC. TO DIN 12591, CONE ST 24/29, SOCKET ST 24/29, JACKET LENGTH: 400 MM
17种元素ICP-MS混标,100mg/L溶于5% HNO3 + Tr HF(GB 18932.11-2002)
CAPCELL CORE PFP S2.7 2.1X75