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碳酸钡
4,5-二甲基-2-异丙基噻唑
氙灯,适用于Waters2474荧光检测器
STIRRER COMPRESSED AIR RO 42, OVERALL LENGTH: 225 MM 0,3 - 6 BAR
气进样针
Vials, 10 ml, 23 x 46 mm, Agilent, flat bottom, clear glass Case = 100 pcs.
手动进样针可更换式针头
NANO SEPARATING CHAMBERS, GROUND RIM, FOR TLC PLATES UP TO 134/80MM, WITH KNOBBED LID
Chlorothalonil-4-hydroxy,10ng/ul 标准品