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C-Flex? 50 A (Type R) id 19.0mm od 31.0mm / reel of 3m 6424-90
26种元素ICP-MS混标,溶于5% HNO3 (GBT 5750-6)
100ml PP量杯,蓝色刻度
标本瓶75X210
LiChroCART 125-2,LiChroprep 60 Si 40-63μm定制柱
BUCHNER FUNNELS, ? 110 mm
CHROMATOGRAPY-COLUMNS, WITH ST-SOCKET 14/23, ST-PTFE-STOPCOCK, SCREW-THREAD RETAINING NUT, FUSED-
BETASIL PHENYL/HEXYL 5UM 150X3MM COLUMN
WIRE BASKET, ANGULAR, MADE OF STEEL, COATED WITH WHITE PLASTIC, 100X100X100 MM
1,10-菲罗啉 一水合物