乙酰乙酸乙酯，Ethyl acetoacetate [EAA]；analytical standard, ≥99.0% (GC)
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![图片 多巴胺盐酸盐 [盐酸多巴胺]，Dopamine hydrochloride；Pharmaceutical Secondary Standard; Certified Reference Material](https://www.bszh.cn/images/thumbs/0015101_-dopamine-hydrochloridepharmaceutical-secondary-standard-certified-reference-material_32.png "显示明细 多巴胺盐酸盐 [盐酸多巴胺]，Dopamine hydrochloride；Pharmaceutical Secondary Standard; Certified Reference Material")
多巴胺盐酸盐 [盐酸多巴胺]，Dopamine hydrochloride；Pharmaceutical Secondary Standard; Certified Reference Material -
硫酸镧(III)，Lanthanum(III) sulfate；≥99.99% trace metals basis -
![图片 四甲基乙二胺，N,N,N′,N′-Tetramethylethylenediamine [TEMED, TMEDA]；≥99.5%, purified by redistillation](https://www.bszh.cn/images/thumbs/0004083_nnnn-tetramethylethylenediamine-temed-tmeda995-purified-by-redistillation_32.png "显示明细 四甲基乙二胺，N,N,N′,N′-Tetramethylethylenediamine [TEMED, TMEDA]；≥99.5%, purified by redistillation")
四甲基乙二胺，N,N,N′,N′-Tetramethylethylenediamine [TEMED, TMEDA]；≥99.5%, purified by redistillation -
氧化铁铜，Copper iron oxide；nanopowder, <100 nm particle size (BET), 98.5% trace metals basis
