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甲醇中反式-1,2-二氯乙烯溶液标准物质
气相色谱柱，TG-225MS 60m x 0.53mm x 0.50μm
替换活塞 用于365K3041, 365K3051 1个/包装
Spursil C18-EP 5μm 30 x 4.6mm
Bio-Rad AG1-X2阴离子（Cl）交换树脂
C-Flex? 50 A (Type E) id 6.4mm od 9.6mm / reel of 7.5m 6424-17
WIRE BASKET, ANGULAR, MADE OF STEEL, COATED WITH WHITE PLASTIC, 400X200X150 MM
PIPETTE PUMPS "PI-PUMP, 10 ML, PP, GREEN, WITH DELIVERY VALVE-LEVER
SS COL. 3M X 1/8" PW 30% BIS(2-ETHOXYETH ADIPATE ON CHROMOSORB
CNWBOND Alumina-A酸性氧化铝 SPE 填料（100-300目）
