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PBB 101(2,2’,4,5,5’-五溴联苯),10ng/ul 于环已烷 标准品
JACKETED DOUBLE COIL CONDENSERS, CONE ST 24/29, SOCKET ST 24/29, JACKET LENGTH: 400 MM
PUNYW7035151 Olmesartan Impurity 19
HYPURITY ADVANCE 3UM 50X2.1MM COLUMN
LiChroCART 30-4,LiChrospher 100 Si 15μm定制柱
硝酸钆,六水
1/4” 石墨垫圈
Three angle bosshead, Duraluminium, angle 90°+180°+270°, for bar 19-23 mm
DURAN FILTERING HEAD WITH THREAD
BOTTLES CONICAL SHOULDER, NARROW MOUTH, CLEAR SODA-GLASS, ST-GLASS-STOPPER, ST 14/15, 50 ML