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N,N-二乙基氯甲酰胺
三甲撑氧
5A分子筛(40-60目)
玻璃器材
Chromosorb P-NAW 60/80填料
MEASURING CYLINDERS, GRADUATED, WITH HEX AGONAL BASE, DURAN
淀粉指示剂,0.5%(w/v)in water
REACTION VESSEL, 40000 ML, DN 200, FLAT BOTTOM, WITH GRADUATION, FLAT FLANGE, FLANGE WITH GROOVE, CYLINDRICAL, ? 315 MM, HEIGHT 670 MM, BOROSILICATE GLASS
吐温85;聚氧乙烯(20)失水山梨醇油酸酯
(定制产品)24种元素ICP-MS混标,溶于5% HNO3