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HYPERSIL GOLD C8 5UM 250X4MM COLUMN
吸附管, 60-80目TENEX-TA, 用于ACEM9300热解析仪
Metribuzin-diketo,10ng/ul 标准品
5-溴戊酰氯
STIRRERS WITH LATERAL PTFE STIRRER BLADE, WITH GROUND AND POLISHED SHAFT, WITH COUPLING PIVOT 580x16 MM, BLADE 145 MM, ST 45/40
WATER JET PUMP OF PPN WITH ADAPTERSET
对甲苯磺酸,12%乙酸溶液
氯氟醚菊酯 标准品
KD flask 250ml, Snyder column combo 280mm, conc tube 10ml insul,' Hopkins condenser combo 270mm, round flask 250ml.
氯化钾 基准(天津)