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氯代十六烷基吡啶一水合物
SAMPLE CONTAINERS PFA, 90 ml
氨氮溶液标准物质
CENTRIFUGE TUBES, DIFFICO WHITE, GRAD. 15:0,1 ML, WITH RIM, DURAN, 17 x 112 MM
VISCOMETERS ASTM D445 AND D446, ISO 3104, 3105. L. APPROX. 283 MM FOR USE WITH TRANSPARENT LIQUIDS
XBridge BEH 氨基 保护柱芯
CHROMATOGRAPHIC-COLUMNS, 20 X 400 MM, 125 ML, WITH SOCKET ST 29/32, ST-PTFE-STOPCOCK, BORE: 2,5 MM
STOPCOCK KEYS, DURAN-GLASS, WITH GROOVE, BORE 1,0 MM, GROUND NS 10
T形联接管
高温橡皮筋