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带有2 个筛板的Bond Elut SPE 空柱管
浊度标砖贮备液(比色液)
套箍, SilTite 套装s, Split/Splitless 0.1-0.25 mm ea
套装,标准透明玻璃瓶+粉红色盖,红色PTFE/白色橡胶垫
反,反-2,4-壬二烯醛
GLASS COLUMN,2M*1/4*2MM ID P/W 3% OV-17 ON CHROMOSORB WHP
气进样针
GELMAN PTFE FILTER W/PADS 37MM 1UM PK/10 0
ZR-PBD 3UM 5CM X 2.1MM DISCOVERY &
3-(三氟甲基)苯甲酰溴