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Tygon? HC F4040A yellow id 0.38mm (2- collared tubing) 12 lengths
(定制产品)17种元素ICP-MS混标,溶于5% HNO3 + Tr HF
2-硝基间苯二酚
RECEIVER ADAPTERS, BENT, W. VACUUM CONNECTION AND DRIP TIP, SOCKET ST 14/23, CONE ST 14/23
MIXED CELULOSE ESTER MEMBRANES, WHITE, NON-STERILE, HYDROPHILIC
硅烷化样品瓶 15X45 透明-ID S/N
3-氟-4-羟基苯乙酸
手动 压盖器用于13MM FLIP-OFF
磺胺乙氧基哒嗪标准品
氯酚红