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培养皿架
29种元素ICP-MS混标,溶于5% HCl+1% HNO3
乙酸根离子标液,CH3CO2-(NaC2H3O2),1000mg/L溶于 H2O
2-Formylthiazole
2-Phenoxypropionyl Chloride
FILTER DISC
4-氨基-3,5-二甲苯酚
CORK STOPPERS, TOP DIA. 45 MM, BOTTOM DIA. 40 MM, LENGTH 30 MM
THERMOSTATIC-REACTION VESSEL, FLAT FLANGE WITH GROOVE, WITH DRAWAL VALVE, CYLINDRICAL, ROUND BOTTOM, GRADUATED, DISTRIBUTION RING FOR STABILIZING MEDIA, DN 120, 1000 ML, KF 15, VALVE 10 MM,
8 号硅胶塞