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标样-四氯乙烯中石油类(红外法)
Bis(2-methylallyl)(1,5-cyclooctadiene)ruthenium(II
透明 玻璃 样品瓶 16ML
2-蒽硼酸(含有数量不等的酸酐)
螺口试管连接器,规格8-425-13-425
脱活的熔融石英管,530um保留间隙,5m
DENSITY-HYDROMETER, DIN 12791, M 100-130 1,300-1,400:0,002 G/CM3, NOMINAL RANGE 90 MM, L. 240 MM
1-氯蒽醌
LiChroCART 250-4,LiChrospher 100 RP-18 5μm定制柱
Connector Kit, SiltekMXT Connector for 0.25mmID Fused Silica Columns 连接器组件