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DELTABOND RESOLUTION AK 5UM 150X4.6MM COLUMN
溴乙烷， 98%
LiChroCART 100-4,6,Purospher STAR NH2 5μm定制柱
头孢唑肟
TLC-plates, 200 x 200 mm, aluminium oxide basic, aluminium sheets ALOX N, layer thickness: 0,20 mm Case = 25 pcs.
SPECIMEN BOTTLES, NARROW NECK, PE, WITHOUT SCREW-CAP, CAPACITY 500 ML, GL 25
测砷装置弯管
50ml三角烧瓶
套装 15X45 样品瓶 /旋盖/钳口盖-未组装 100 4ML
(R)-3-羟基丁酸甲酯
