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LiChroCART 250-4,Superspher 100 RP-18e 4 μm定制柱
磷酸根离子标液,PO4-3(NH4H2PO4),1000mg/L溶于 H2O
清洁水中的紫外吸收有机成分-质控样
抽滤瓶,带有水平插口,250 ml
无定形硅胶
ASTM-THERMOMETER, (SOLID STEM), ASTM-NO. 7C, WITH CELSIUS-SCALE RANGE, YELLOW ENAMELLED ASTM TYPE:
Magnetic stirring-bar, PTFE, spin, e.g. for sample cells, 9 x 6 mm
乙氧甲酰基亚乙基三苯基膦
TEST TUBE RACKS, PP, DIVISIBLE, 60 HOLES, AUTOCLAVEABLE UP TO 121 °C, FOR TEST TUBES O.D. 16 MM,
气接头